Category:Historic American Engineering Record images of Maryland

Subcategories

This category has only the following subcategory.

Media in category "Historic American Engineering Record images of Maryland"

The following 200 files are in this category, out of 230 total.

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  1-95 CAPITAL BELTWAY OVERPASS. VIEW S. (Rosenthal) - Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD HAER MD,17-GRBLT.V,1-14.tif 5,685 × 4,120; 22.34 MB
  
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  AERIAL 'BARREL SHOT' OF THE BRIDGE FROM THE WEST - Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, Harford County, MD HAER MD,13-HAV,4-2.tif 5,240 × 4,026; 20.12 MB
  
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  AERIAL VIEW LOOKING EASTWARDS AT THE WESTERN SPANS OF THE BRIDGE. THE PIERS ARE REINFORCED ON THE UPSTREAM SIDE TO PROTECT THE STRUCTURE FROM DAMAGE FROM ICEFLOES, DEBRIS, ETC. - HAER MD,13-HAV,4-13.tif 4,588 × 3,551; 15.54 MB
  
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  AERIAL VIEW OF THE EASTERN SPAN OF THE BRIDGE. THE HIGHWAY BRIDGE IN THE MIDDLE DISTANCE IS A WICHERT TRUSS, CONSTRUCTED IN 1939-1940 BY THE J.E. GREINER COMPANY. A PENNSYLVANIA HAER MD,13-HAV,4-10.tif 4,597 × 3,546; 15.55 MB
  
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  AERIAL VIEW OF THE EASTERN SPANS OF THE SUSQUEHANNA RIVER BRIDGE. THE SPAN ON THE LEFT OF THE PHOTO IS A PENNSYLVANIA THROUGH TRUSS, THE ONE IN THE RIGHT A PENNSYLVANIA DECK TRUSS. HAER MD,13-HAV,4-7.tif 4,599 × 3,617; 15.87 MB
  
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  AERIAL VIEW OF THE EASTERN THREE SPANS FROM THE NORTHWEST, TAKEN FROM ABOVE GARRETT ISLAND - Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, Harford County, MD HAER MD,13-HAV,4-5.tif 4,629 × 3,592; 15.86 MB
  
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  AERIAL VIEW OF THE EASTERN THREE SPANS OF THE BRIDGE FROM THE NORTHWEST. FROM LEFT TO RIGHT THE SPANS ARE; A PENNSYLVANIA THROUGH TRUSS, A PENNSYLVANIA DECK TRUSS, AND A PRATT DECK HAER MD,13-HAV,4-6.tif 4,611 × 3,571; 15.71 MB
  
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  AERIAL VIEW OF THE PENNSYLVANIA THROUGH TRUSS AND PENNSYLVANIA DECK TRUSS, LOOKING SOUTHWEST - Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, Harford County, HAER MD,13-HAV,4-8.tif 4,587 × 3,546; 15.51 MB
  
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  AERIAL VIEW OF THE PENNSYLVANIA THROUGH TRUSS AT THE EAST END OF THE BRIDGE, LOOKING SOUTH. THE APPROACH SPAN CROSSING THE ROAD ON THE LEFT IS A PRATT DECK TRUSS - Susquehanna River HAER MD,13-HAV,4-9.tif 4,615 × 3,579; 15.75 MB
  
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  AERIAL VIEW OF THE PENNSYLVANIA THROUGH TRUSS SPAN ON THE WESTERN PORTION OF THE SUSQUEHANNA RIVER BRIDGE, LOOKING SOUTHEAST - Susquehanna River Bridge, Spanning Susquehanna River, HAER MD,13-HAV,4-14.tif 4,567 × 3,541; 15.42 MB
  
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  BALTIMORE-WASHINGTON PARKWAY FROM GOOD LUCK ROAD, GREENBELT PARK VICINITY. VIEW S. (Lowe) - Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD HAER MD,17-GRBLT.V,1-13.tif 5,657 × 4,064; 21.93 MB
  
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  DETAIL OF LATTICED HANDRAIL AND PIN CONNECTION, NORTHWEST ELEVATION - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-13.tif 4,096 × 5,107; 19.95 MB
  
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  DETAIL OF MANUFACTURERS' PLAQUE, SOUTHEAST ELEVATION NEAR SOUTH END POST - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-14.tif 4,060 × 5,094; 19.73 MB
  
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  DETAIL OF PIN CONNECTION AT BOTTOM CHORD, SOUTHEAST ELEVATION - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-10.tif 5,067 × 4,049; 19.57 MB
  
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  DETAIL OF PIN CONNECTION AT TOP CHORD, SOUTHEAST ELEVATION - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-11.tif 4,106 × 5,099; 19.97 MB
  
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  VIEW NORTHEAST, GENERAL VIEW WITHIN SETTING - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-1.tif 5,035 × 4,073; 19.56 MB
  
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  VIEW NORTHEAST, TRAFFIC LEVEL VIEW - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-6.tif 5,089 × 4,072; 19.77 MB
  
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  VIEW NORTHWEST, GENERAL VIEW WITHIN SETTING - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-3.tif 5,044 × 4,080; 19.63 MB
  
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  VIEW SOUTHEAST, NORTHWEST ELEVATION - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-5.tif 5,084 × 4,091; 19.84 MB
  
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  VIEW SOUTHWEST, DETAIL OF SUBSTRUCTURE AND POST CONNECTION - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-9.tif 4,044 × 5,076; 19.58 MB
  
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  VIEW SOUTHWEST, GENERAL VIEW WITHIN SETTING - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-2.tif 5,076 × 4,065; 19.68 MB
  
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  VIEW SOUTHWEST, TRAFFIC LEVEL VIEW - Harmony Road Bridge, Harmony Road spanning Little Catoctin Creek, Myersville, Frederick County, MD HAER MD,11-MYRV.V,1-7.tif 5,049 × 4,064; 19.57 MB
  
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  'BARREL-SHOT' LOOKING WEST - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-2.tif 5,000 × 3,987; 19.01 MB
  
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  DETAIL VIEW LOOKING NORTH SHOWING WOODEN DECK AND UPPER CHORD CROSS BRACING - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-5.tif 3,662 × 4,586; 16.02 MB
  
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  DETAIL VIEW LOOKING SOUTH SHOWING 'CAMBER' OR ARCH OF BOTTOM CHORD ON EAST SIDE OF BRIDGE - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-9.tif 4,553 × 3,626; 15.75 MB
  
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  DETAIL VIEW OF BOTTOM CHORD CONNECTION AT SECOND PANAL POINT IN FROM ABUTMENT - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-11.tif 3,758 × 4,778; 17.13 MB
  
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  DETAIL VIEW OF BOTTOM CHORD CONNECTION AT THIRD PANAL POINT IN FROM ABUTMENT. NOTE THAT THE BOTTOM CHORD IS CONTINUOUS ACROSS THE CONNECTION - Poffenberger Road Bridge, HAER MD,11-MIDTO.V,1-12.tif 4,037 × 5,000; 19.25 MB
  
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  DETAIL VIEW OF NORTHERN END OF BRIDGE LOOKING EAST. STONE IS AT FAR LEFT. THE VIEW SHOWS DIAGONAL TENSION MEMBERS EXTENDING ACROSS TWO PANELS AND THAT TWO PINS ARE USED AT THE HAER MD,11-MIDTO.V,1-6.tif 4,577 × 3,658; 15.97 MB
  
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  DETAIL VIEW OF THE HIP VERTICAL'S BOTTOM CHORD CONNECTION - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-10.tif 3,675 × 4,603; 16.13 MB
  
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  DETAIL VIEW OF UPPER CHORD CONNECTIONS TAKEN FROM BRIDGE DECK - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-8.tif 4,004 × 5,000; 19.1 MB
  
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  DETAIL VIEW OF UPPER CHORD PORTAL CONNECTION LOOKING UP FROM BRIDGE DECK. THE DECORATIVE FEATURES OF THE PORTAL BRACING ARE ALSO SHOWN - Poffenberger Road Bridge, Spanning HAER MD,11-MIDTO.V,1-7.tif 4,531 × 3,611; 15.61 MB
  
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  DETAIL VIEW SHOWING BOTTOM CHORD U-BOLT (OR HANGER) CONNECTION AND ATTACHED FLOORBEAM. ALSO NOTE THE WOODEN STRINGERS THAT RUN PARALLEL TO THE BOTTOM CHORD AND SUPPORT THE HAER MD,11-MIDTO.V,1-13.tif 4,568 × 3,656; 15.93 MB
  
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  GENERAL SIDE ELEVATION VIEW LOOKING WEST - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-4.tif 4,537 × 3,601; 15.58 MB
  
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  GENERAL VIEW LOOKING NORTH SHOWING WEST TRUSS AND SOUTH PORTAL - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-1.tif 4,567 × 3,668; 15.98 MB
  
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  GENERAL VIEW LOOKING NORTHWEST WITH STONE ABUTMENT IN FOREGROUND - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-3.tif 4,533 × 3,606; 15.59 MB
  
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  CONCRETE BULKHEAD- DETERIORATED CONCRETE CYLINDER AND BEAM ON WEST SIDE OF PIER - Baltimore Inner Harbor, Pier 6, South of Pratt Street between Concord Street and Jones Falls HAER MD,4-BALT,225B-5.tif 5,098 × 4,061; 19.75 MB
  
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  CSX OVERPASS, KENILWORTH AVENUE IN BACKGROUND. VIEW SE. (Lowe) - Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD HAER MD,17-GRBLT.V,1-3.tif 5,706 × 4,098; 22.3 MB
  
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  DETAIL OF THE PENNSYLVANIA THROUGH TRUSS IN THE WESTERN PORTION OF THE BRIDGE. THROUGH TRUSSES WERE INCORPORATED INTO THE DESIGN TO ALLOW CLEARANCE FOR NAVIGATION - Susquehanna HAER MD,13-HAV,4-15.tif 4,648 × 3,616; 16.03 MB
  
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  DOCUMENTARY - SOUTH ELEVATION WAREHOUSE (1902) (PRIVATE COLLECTION) circa WORLD WAR I - American Can Company, Boston and Hudson Streets, Baltimore, Independent City, MD HAER MD,4-BALT,125-57.tif 4,906 × 3,931; 18.39 MB
  
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  Elevation of elevator on first floor. - Bates Hoist Machine, 1512 Fleet Street, Baltimore, Independent City, MD HAER MD-169-3.tif 4,000 × 5,039; 38.47 MB
  
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  GENERAL AERIAL VIEW FROM THE NORTHWEST - Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, Harford County, MD HAER MD,13-HAV,4-3.tif 4,623 × 3,616; 15.94 MB
  
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  GENERAL AERIAL VIEW OF THE SPANS CARRYING THE BRIDGE ACROSS GARRETT ISLAND. THE 1939-1940 WICHERT TRUSS HIGHWAY BRIDGE IS VISIBLE IN THE BACKGROUND. THE VIEW IS TO THE SOUTH - HAER MD,13-HAV,4-11.tif 4,610 × 3,618; 15.91 MB
  
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  GENERAL VIEW OF EAST (FRONT) ELEVATION, LOOKING SOUTH - Eigenbrot Brewery, Calverton and Baltimore Streets, Baltimore, Independent City, MD HAER MD,4-BALT,137-1.tif 4,949 × 3,988; 18.82 MB
  
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  GENERAL VIEW OF MILL COMPLEX, LOOKING EAST - Druid Mill (Textile), Union Avenue at Ash Street, Woodberry, Baltimore, Independent City, MD HAER MD,4-BALT,136-1.tif 5,000 × 3,996; 19.06 MB
  
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  GENERAL VIEW OF MILL, LOOKING EAST - Mount Vernon Mills, Mill No. 2 (Textile), Falls Road and Chestnut Street, Baltimore, Independent City, MD HAER MD,4-BALT,141B-2.tif 4,971 × 3,994; 18.94 MB
  
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  GENERAL VIEW OF MILL, LOOKING WEST - Mount Vernon Mills, Mill No. 2 (Textile), Falls Road and Chestnut Street, Baltimore, Independent City, MD HAER MD,4-BALT,141B-1.tif 5,000 × 3,996; 19.06 MB
  
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  GENERAL VIEW OF REAR OF WAREHOUSES, LOOKING SOUTHEAST - Brown's Wharf Warehouse, 935 Fell Street, Fell's Point, Baltimore, Independent City, MD HAER MD,4-BALT,134-1.tif 4,928 × 3,965; 18.64 MB
  
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  GENERAL VIEW OF THE BRIDGE FROM THE SOUTHWEST - Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, Harford County, MD HAER MD,13-HAV,4-1.tif 5,299 × 4,091; 20.68 MB
  
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  GENERAL VIEW OF THE WESTERN PORTION OF THE BRIDGE. IT CONSISTS (LEFT TO RIGHT) OF SIX PRATT DECK TRUSSES, A PENNSYLVANIA THROUGH TRUSS, AND TWO MORE PRATT DECK TRUSSES. THE AERIAL HAER MD,13-HAV,4-12.tif 4,609 × 3,607; 15.86 MB
  
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  GENERAL VIEW OF WAREHOUSE, LOOKING NORTHWEST - Levering Coffee Warehouse, 1400 block of Philpot Street, Fells Point, Baltimore, Independent City, MD HAER MD,4-BALT,139-1.tif 4,993 × 3,994; 19.02 MB
  
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  GENERAL VIEW SHOWING NORTH END AND WEST TOWER SIDE OF BUILDING, LOOKING SOUTHEAST - Meadow Mill (Textile), Union Avenue and Seneca Street, Woodberry, Baltimore, Independent City, HAER MD,4-BALT,140-2.tif 4,971 × 3,988; 18.91 MB
  
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  GENERAL VIEW SHOWING OLD (BACKGROUND) AND NEW (FOREGROUND) BUILDINGS, LOOKING SOUTH - American Can Company, Boston and Hudson Streets, Baltimore, Independent City, MD HAER MD,4-BALT,125-1.tif 5,000 × 4,025; 19.2 MB
  
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  GENERAL VIEW, LOOKING SOUTH - Clipper Mill Worker Housing, Clipper Mill Road, Baltimore, Independent City, MD HAER MD,4-BALT,135-1.tif 4,987 × 3,988; 18.97 MB
  
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  GENERAL VIEW, LOOKING WEST - Druid Mill (Textile), Union Avenue at Ash Street, Woodberry, Baltimore, Independent City, MD HAER MD,4-BALT,136-2.tif 5,000 × 4,018; 19.16 MB
  
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  GENERAL VIEW, SOUTH ELEVATION, LOOKING NORTH - Mount Washington Mills, Falls Road and Cotton Avenue, Baltimore, Independent City, MD HAER MD,4-BALT,142-1.tif 4,989 × 3,987; 18.97 MB
  
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  MAIN ENTRANCE, VIEW FROM SOUTHWEST Photocopy of c. 1930-1940 photograph - Glen Echo Park, Crystal Swimming Pool, 7300 McArthur Boulevard, Glen Echo, Montgomery County, MD HAER MD,16-GLENEC,1-15.tif 4,952 × 3,961; 18.71 MB
  
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  MAIN POOL AND GRANDSTAND. VIEW FROM NORTH Photocopy of 1930-1940 photograph - Glen Echo Park, Crystal Swimming Pool, 7300 McArthur Boulevard, Glen Echo, Montgomery County, MD HAER MD,16-GLENEC,1-19.tif 5,036 × 4,020; 19.31 MB
  
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  MAIN POOL AND GRANDSTAND. VIEW FROM NORTHWEST Photocopy of c. 1930-1940 photograph - Glen Echo Park, Crystal Swimming Pool, 7300 McArthur Boulevard, Glen Echo, Montgomery County HAER MD,16-GLENEC,1-16.tif 5,031 × 4,042; 19.4 MB
  
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  SAND BEACH WITH SUNBATHERS AND UMBRELLAS. VIEW FROM SOUTHEAST. NORTHWEST ELEVATION OF REFRESHMENT STAND Photocopy of 1930-1940 photograph - Glen Echo Park, Crystal Swimming Pool HAER MD,16-GLENEC,1-18.tif 4,939 × 3,988; 18.79 MB
  
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  AERIAL VIEW OF POOL AND STRUCTURES Photocopy of photocopy of 1931 rendering by Alexander, Becker and Schoeppe, architects and engineers - Glen Echo Park, Crystal Swimming Pool, HAER MD,16-GLENEC,1-14.tif 5,041 × 4,048; 19.46 MB
  
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  INTERIOR, BATH HOUSE WITH LOCKERS - Glen Echo Park, Crystal Swimming Pool, 7300 McArthur Boulevard, Glen Echo, Montgomery County, MD HAER MD,16-GLENEC,1-25.tif 5,017 × 4,026; 19.27 MB
  
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  INTERIOR, BATH HOUSE WITH MACHINERY - Glen Echo Park, Crystal Swimming Pool, 7300 McArthur Boulevard, Glen Echo, Montgomery County, MD HAER MD,16-GLENEC,1-26.tif 4,950 × 3,962; 18.71 MB
  
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  AERIAL VIEW OF BRIDGE FROM EAST - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD HAER MD,14-SAV,1-1.tif 4,378 × 3,536; 14.77 MB
  
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  BARREL SHOT OF BRIDGE FROM NORTH - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD HAER MD,14-SAV,1-4.tif 4,391 × 3,514; 14.72 MB
  
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  BARREL SHOT OF BRIDGE FROM SOUTH - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD HAER MD,14-SAV,1-3.tif 4,372 × 3,506; 14.62 MB
  
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  Bollman-bridge-1.jpg 3,137 × 3,980; 1.85 MB
  
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  Bollman-bridge-2.jpg 3,188 × 4,056; 2.04 MB
  
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  EAST SIDE OF BRIDGE - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD HAER MD,14-SAV,1-2.tif 4,353 × 3,491; 14.49 MB
  
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  FROM NORTH END OF BRIDGE-INCLINED AND CONVERGENT Copy photograph of photogrammetric plate LC-HAER-GS05-1-502L.13. OBLIQUE VIEW LOOKING NORTHEAST. - Baltimore and Ohio Railroad, HAER MD,14-SAV,1-12.tif 4,894 × 3,501; 16.34 MB
  
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  FROM NORTH END OF BRIDGE-LEVEL Copy photograph of photogrammetric plate LC-HAER-GS05-1-501L. - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, HAER MD,14-SAV,1-11.tif 4,793 × 3,496; 15.98 MB
  
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  GENERAL VIEW OF TRUSS ON EAST SIDE OF BRIDGE, WITH SAVAGE MILL TOWER IN BACKGROUND - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, HAER MD,14-SAV,1-6.tif 3,530 × 4,418; 14.88 MB
  
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  LOOKING SOUTHEAST SHOWING TRUSS FROM INSIDE THE BRIDGE - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD HAER MD,14-SAV,1-10.tif 4,396 × 3,514; 14.73 MB
  
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  OBLIQUE VIEW LOOKING NORTHEAST - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD HAER MD,14-SAV,1-13.tif 5,000 × 3,616; 17.24 MB
  
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  OBLIQUE VIEW LOOKING NORTHWEST. NOTE- HISTORIC SAVAGE MILL IN BACKGROUND. - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County HAER MD,14-SAV,1-14.tif 5,000 × 3,590; 17.12 MB
  
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  PAIRED END POSTS AND ANCHOR CASTINGS AT CENTER OF BRIDGE - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD HAER MD,14-SAV,1-8.tif 4,351 × 3,458; 14.35 MB
  
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  PAIRED END POSTS AT MID SPAN SHOWING CONNECTION OF DIAGONAL TENSION MEMBERS WITH ANCHOR CASTING - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, HAER MD,14-SAV,1-7.tif 3,508 × 4,402; 14.73 MB
  
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  PAIRED END POSTS AT MID SPAN SHOWING CONNECTION OF DIAGONAL TENSION MEMBERS WITH ANCHOR CASTING. - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River HAER MD,14-SAV,1-17.tif 3,626 × 5,000; 17.29 MB
  
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  PANEL POINT IN THE BOTTOM CHORD, SHOWING CONNECTION WITH DIAGONAL TENSION MEMBERS - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard HAER MD,14-SAV,1-5.tif 4,403 × 3,511; 14.74 MB
  
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  PANEL POINT IN THE BOTTOM CHORD, SHOWING CONNECTION WITH DIAGONAL TENSION MEMBERS. - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, HAER MD,14-SAV,1-16.tif 3,624 × 5,000; 17.28 MB
  
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  PANEL POINT SHOWING COMPENSATING LINK BETWEEN DIAGONAL TENSION MEMBERS AND FLOOR BEAM - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, HAER MD,14-SAV,1-9.tif 3,544 × 4,407; 14.9 MB
  
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  VIEW LOOKING NORTH AT END POSTS WITH DIAGONAL TENSION MEMBERS. NOTE- MODERN VEHICULAR BRIDGE TO RIGHT. - Baltimore and Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent HAER MD,14-SAV,1-15.tif 3,625 × 5,000; 17.29 MB
  
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  ELEVATION WITH SPAN RAISED NEAR FULL OPEN POSITION - Tilghman Island Bridge, Spanning Knapp's Narrows, Tilghman, Talbot County, MD HAER MD,21-TILG.V,2-4.tif 5,691 × 4,085; 22.17 MB
  
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  3-4 VIEW OF STARBOARD SIDE FROM BOW - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-4.tif 5,000 × 3,599; 17.16 MB
  
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  3-4 VIEW OF STARBOARD SIDE FROM STERN WITH PUSH BOAT - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-2.tif 5,000 × 3,636; 17.34 MB
  
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  DECK DETAIL OF BOWSPRIT AND SAMSON POST (ANCHOR WINDLASS REMOVED) - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-22.tif 3,632 × 5,000; 17.32 MB
  
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  DECK VIEW FROM END OF BOWSPRIT LOOKING ASTERN - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-17.tif 3,590 × 5,000; 17.12 MB
  
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  DECK VIEW LOOKING FORWARD WITH MAST, RIGGING AND BOWSPRIT DETAILS - HATCH COVER REMOVED TO SHOW CENTERBOARD TRUNK - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, HAER MD,21-TILG.V,1-19.tif 5,000 × 3,583; 17.09 MB
  
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  DECK VIEW LOOKING FORWARD WITH MAST, RIGGING AND BOWSPRIT DETAILS - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-18.tif 3,603 × 5,000; 17.18 MB
  
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  DECK VIEW TOWARDS STERN OF 'DOGHOUSE' CABIN - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-25.tif 5,000 × 3,584; 17.09 MB
  
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  DECK VIEW WITH DETAIL OF MAST AND JIB SHEET TRAVELER - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-20.tif 5,000 × 3,603; 17.18 MB
  
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  DETAIL IN HOLD OF BOW CONSTRUCTION AND SAMSON POST - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-23.tif 5,000 × 3,597; 17.15 MB
  
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  DETAIL IN HOLD OF MAST FOOT, DECK BEAMS, AND CENTERBOARD TRUNK - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-21.tif 3,623 × 5,000; 17.28 MB
  
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  DETAIL OF DREDGE BASKET WITH HANDLING RINGS - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-16.tif 3,642 × 5,000; 17.37 MB
  
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  DETAIL OF DREDGE BASKET WITH OYSTERS - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-15.tif 5,000 × 3,631; 17.32 MB
  
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  DETAIL OF DREDGE WINDER MACHINERY AND BASKET - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-14.tif 3,576 × 5,000; 17.05 MB
  
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  DETAIL OF HELM AT STERN WITH WHEEL, PUSH BOAT CONTROLS, AND WINDER ENGINE CONTROLS - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, HAER MD,21-TILG.V,1-28.tif 3,619 × 5,000; 17.26 MB
  
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  DETAIL OF HYDRAULIC STEERING SYSTEM CONNECTED TO RUDDER POST (REPLACED GEAR MECHANISM) - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot HAER MD,21-TILG.V,1-29.tif 3,587 × 5,000; 17.11 MB
  
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  DETAIL OF PUSH BOAT AND TACKLE FROM STERN RAIL - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-7.tif 5,000 × 3,585; 17.1 MB
  
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  DETAIL OF STERN SHOWING HELM AND DAVITS AND BUMPER FOR THE PUSH BOAT - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-30.tif 5,000 × 3,619; 17.26 MB
  
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  DREDGE ARRANGEMENT ALLOWS FOR TWO DREDGE BASKETS TO BE OUT AT ALTERNATING TIMES. WHILE STARBOARD IS HAULED IN, PORT IS RELEASED OUT TO DREDGE. - KATHRYN-Two-sail Bateau "Skipjack HAER MD,21-TILG.V,1-9.tif 5,000 × 3,569; 17.02 MB
  
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  INTERIOR DETAIL OF CABIN WITH STOVE AND BERTH - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-27.tif 5,000 × 3,576; 17.05 MB
  
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  PORT BASKET EMPTIED AND OYSTERS HAND SORTED - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-12.tif 3,585 × 5,000; 17.1 MB
  
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  PORT DREDGE BASKET BEING HAULED WITH OYSTERS - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-10.tif 5,000 × 3,615; 17.24 MB
  
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  PORT PROFILE WITH PUSH BOAT - CLOSER VIEW - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-6.tif 5,000 × 3,620; 17.26 MB
  
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  PORT PROFILE WITH PUSH BOAT - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-5.tif 5,000 × 3,608; 17.21 MB
  
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  RUSSELL DIZE, CAPTAIN AND OWNER, AT HELM OF KATHRYN (Photocopy of 35mm color slide taken by Todd Croteau, 1997) - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake HAER MD,21-TILG.V,1-31.tif 4,028 × 5,000; 19.21 MB
  
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  SIMILAR VIEW IN VERTICAL FORMAT - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-3.tif 3,605 × 5,000; 17.19 MB
  
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  STARBOARD BASKET EMPTIED AND OYSTERS HAND SORTED - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-13.tif 3,580 × 5,000; 17.07 MB
  
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  STARBOARD DREDGE BASKET BEING HAULED WITH OYSTERS - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-11.tif 3,575 × 5,000; 17.05 MB
  
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  STARBOARD PROFILE WITH DREDGE BASKET BEING RAISED-NOTE 'LAZYJACK' RIGGING TO GUIDE SAILS DOWN TO BOOM AND CLUB (REQUIRES LESS CREW) - KATHRYN-Two-sail Bateau "Skipjack", Dogwood HAER MD,21-TILG.V,1-1.tif 5,000 × 3,553; 16.94 MB
  
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  STARBOARD PROFILE WITH DREDGE BASKET LINE OUT - KATHRYN-Two-sail Bateau "Skipjack", Dogwood Harbor, Chesapeake Bay, Tilghman, Talbot County, MD HAER MD,21-TILG.V,1-8.tif 5,000 × 3,611; 17.22 MB
  
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  AERIAL VIEW OF STATION SHOWING CONTEXTUAL RELATIONSHIP WITH ELLICOTT CITY, LOOKING NORTH - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State Route 144, HAER MD,14-ELLCI,11-1.tif 4,373 × 3,452; 14.4 MB
  
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  Ellicott City Station 1970.jpg 4,098 × 3,225; 1.79 MB
  
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  INTERIOR PASSENGER WAITING ROOM - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State Route 144, Ellicott City, Howard County, MD HAER MD,14-ELLCI,11-7.tif 5,000 × 3,991; 19.03 MB
  
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  INTERIOR VIEW OF STATION AGENT'S OFFICE - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State Route 144, Ellicott City, Howard County, MD HAER MD,14-ELLCI,11-8.tif 4,414 × 3,527; 14.85 MB
  
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  PHOTOCOPY OF 'VIEW OF ELLICOTT'S MILLS STATION,' FROM THE BOOK OF GREAT RAILWAY CELEBRATIONS OF 1857, PART I - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side HAER MD,14-ELLCI,11-9.tif 4,351 × 3,448; 14.31 MB
  
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  VIEW OF SOUTH ELEVATION - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State Route 144, Ellicott City, Howard County, MD HAER MD,14-ELLCI,11-6.tif 4,366 × 3,447; 14.35 MB
  
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  VIEW OF STATION AND BRIDGE CARRYING TRACKS OVER STATE ROUTE 144, LOOKING SOUTH - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State Route 144, Ellicott HAER MD,14-ELLCI,11-4.tif 4,358 × 3,452; 14.35 MB
  
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  VIEW OF STATION AND PLATFORM, LOOKING SOUTH TOWARDS BALTIMORE - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State Route 144, Ellicott City, Howard County HAER MD,14-ELLCI,11-3.tif 4,395 × 3,509; 14.71 MB
  
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  VIEW OF UNIDENTIFIED IRON HARDWARE BOLTED TO TURNTABLE FOUNDATION STONES - POSSIBLE TRACK GUIDES. - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State HAER MD,14-ELLCI,11-2.tif 4,337 × 3,458; 14.3 MB
  
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  VIEW OF WEST ELEVATION - Baltimore and Ohio Railroad, Ellicott's Mills Station, South Side of State Route 144, Ellicott City, Howard County, MD HAER MD,14-ELLCI,11-5.tif 5,025 × 4,042; 19.37 MB
  
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  3-4 VIEW OF STATION, SHOWING RAILROAD TRACKS - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-9.tif 4,860 × 3,474; 16.1 MB
  
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  3-4 VIEW OF STATION, SHOWING TRACKS - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-1.tif 3,576 × 5,000; 17.05 MB
  
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  AERIAL VIEW OF STATION - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-14.tif 4,563 × 3,621; 15.76 MB
  
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  ATTIC ABOVE SECOND FLOOR, LOOKING EAST FROM TOWER SQUARE - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-7.tif 4,588 × 3,646; 15.96 MB
  
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  DETAIL VIEW OF SOUTH AND EASTERLY SIDE - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-4.tif 4,548 × 3,641; 15.79 MB
  
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  DETAIL VIEW OF TOWER - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-13.tif 3,639 × 4,546; 15.78 MB
  
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  DOORWAY OF FORMER PASSENGER WAITING ROOM, SOUTH SIDE OF BUILDING - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-6.tif 3,682 × 4,582; 16.09 MB
  
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  FRONT (EAST) VIEW OF STATION, SHOWING TRACKS - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-2.tif 4,563 × 3,616; 15.74 MB
  
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  REMAINS OF PASSENGER WAITING ROOM, LOOKING FROM SOUTH - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-5.tif 4,563 × 3,671; 15.98 MB
  
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  SIDE VIEW OF STATION, SHOWING RAILROAD TRACKS - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-8.tif 3,565 × 4,912; 16.7 MB
  
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  SOUTH SIDE OF BUILDING - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-10.tif 4,538 × 3,621; 15.67 MB
  
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  VIEW OF EASTERLY DORMER WINDOW AND BACK OF TOWER - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-3.tif 4,005 × 5,019; 19.17 MB
  
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  B and O Railroad- Bayview Bridge. Baltimore, Baltimore City, MD. Sec. 1201, MP 92.02. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line HAER MD,4-BALT,147-31.tif 5,245 × 4,139; 20.71 MB
  
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  B and O Railroad- Bayview Bridge. Baltimore, Baltimore City, MD. Sec. 1201, MP 92.02. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line HAER MD,4-BALT,147-32.tif 5,240 × 4,138; 20.68 MB
  
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  B and P Junction Substation and Interlocking Tower. Baltimore, Baltimore City, MD. Sec. 1201, MP 95.85. - Northeast Railroad Corridor, Amtrak route between District of Columbia HAER MD,4-BALT,147-21.tif 5,218 × 3,703; 18.43 MB
  
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  B and P Junction Substation and Interlocking Tower; Howard Street Bridge. Baltimore, Baltimore City, MD. Sec. 1201, MP 95.85 - Northeast Railroad Corridor, Amtrak route between HAER MD,4-BALT,147-22.tif 5,267 × 4,124; 20.72 MB
  
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  B and P Tunnel east portal and North Avenue Bridge. Baltimore, Baltimore City, MD. Sec. 1201, MP 96.00. - Northeast Railroad Corridor, Amtrak route between District of Columbia HAER MD,4-BALT,147-19.tif 5,186 × 4,058; 20.07 MB
  
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  B and P Tunnel east portal emerging out from under North Avenue Bridge with Howard Street Arch Bridge in foreground. Baltimore, Baltimore City, MD. Sec. 1201, MP 96.00. - HAER MD,4-BALT,147-18.tif 5,201 × 4,046; 20.07 MB
  
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  B&P Tunnel West 1977.jpg 4,886 × 3,745; 2.73 MB
  
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  Bacon Hill Substation. Bacon Hill, Cecil Co., MD. Sec. 1201, MP 48.50. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-59.tif 5,213 × 4,096; 20.37 MB
  
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  BIG PATUXENT RIVER BRIDGE. ARUNDEL, ANNE ARUNDEL CO., MD. Sec. 1201, MP 115.61. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-5.tif 5,293 × 4,117; 20.78 MB
  
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  Boothby Hill Road Bridge. Aberdeen, Hareford Co., MD. Sec. 1201, MP 66.88. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-45.tif 5,207 × 4,095; 20.34 MB
  
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  BOWIE INTERLOCKING TOWER AND PASSENGER STATION. BOWIE, PRINCE GEORGES CO., MD. Sec. 1201, MP 120.50. - Northeast Railroad Corridor, Amtrak route between District of Columbia HAER MD,4-BALT,147-3.tif 5,299 × 4,155; 21 MB
  
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  BOWIE SUBSTATION. BOWIE, PRINCE GEORGES CO., MD Sec. 1201, MP 129.55. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-2.tif 5,262 × 4,126; 20.71 MB
  
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  Bush River Bridge drawspan. Bush River, Hareford Co., MD. Sec. 1201, MP 72.14. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-42.tif 5,267 × 4,104; 20.62 MB
  
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  Bush River Bridge drawspan. Bush River, Hareford Co., MD. Sec. 1201, MP 72.14. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-43.tif 5,228 × 4,127; 20.58 MB
  
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  Bush River Bridge. Bush River, Hareford Co., MD. Sec. 1201, MP 72.14. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-40.tif 5,000 × 3,835; 18.29 MB
  
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  Bush River Bridge. Bush River, Hareford Co., MD. Sec. 1201, MP 72.14. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-41.tif 5,000 × 3,857; 18.39 MB
  
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  Edgewood Interlocking Tower. Edgewood, Hareford Co., MD. Sec. 1201, MP 75.50. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-39.tif 5,229 × 4,149; 20.69 MB
  
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  Edison Highway Bridge. Baltimore, Baltimore City, MD. Sec. 1201, MP 92.02. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-30.tif 5,236 × 4,137; 20.66 MB
  
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  Fulton Avenue Bridge-Tunnel. Baltimore, Baltimore City, MD. Sec. 1201, MP 97.56. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-15.tif 5,229 × 4,123; 20.56 MB
  
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  Fulton Avenue Bridge-Tunnel. Baltimore, Baltimore City, MD. Sec. 1201, MP 97.56. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-16.tif 5,218 × 4,094; 20.38 MB
  
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  General view looking SE at corridor and Pennsylvania Station. Baltimore, Baltimore City, MD. Sec. 1201, MP 93.23. - Northeast Railroad Corridor, Amtrak route between District of HAER MD,4-BALT,147-29.tif 5,222 × 4,068; 20.26 MB
  
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  Gunpowder River Bridge drawspan. Harewood, Baltimore Co., MD. Sec. 1201, MP 78.86. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line HAER MD,4-BALT,147-38.tif 5,000 × 3,852; 18.37 MB
  
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  Gunpowder River Bridge. Harewood, Baltimore Co., MD. Sec. 1201, MP 78.86. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-36.tif 5,245 × 4,095; 20.49 MB
  
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  Gunpowder River Bridge. Harewood, Baltimore Co., MD. Sec. 1201, MP 78.86. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-37.tif 5,000 × 3,866; 18.44 MB
  
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  Gunpowder Substation. Harewood, Baltimore Co., MD. Sec. 1201, MP 80.00. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-35.tif 5,235 × 4,111; 20.53 MB
  
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  Gwynns Falls Bridge. Baltimore, Baltimore City, MD. Sec. 1201, MP 99.20. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-13.tif 5,293 × 4,132; 20.86 MB
  
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  Gwynns Falls Bridge. Baltimore, Baltimore City, MD. Sec. 1201, MP 99.20. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-14.tif 5,203 × 4,063; 20.16 MB
  
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  Juniata Street Culvert. Havre de Grace, Hareford Co., MD. Sec. 1201, MP 60.77. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-46.tif 5,288 × 4,134; 20.85 MB
  
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  LANDOVER SUBSTATION. LANDOVER, PRINCE GEORGES CO., MD Sec, 1201, MP 129.00. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-1.tif 5,295 × 4,132; 20.87 MB
  
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  Loudon Park Substation. Violetville, Baltimore City, MD. Sec. 1201, MP 100.50. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and HAER MD,4-BALT,147-12.tif 5,256 × 4,101; 20.56 MB
  
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  Mill Creek Bridge. Perryville, Cecil Co., MD. Sec. 1201, MP 59.00. - Northeast Railroad Corridor, Amtrak route between District of Columbia-Maryland state line and Maryland HAER MD,4-BALT,147-56.tif 4,848 × 3,873; 17.91 MB
  
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  INTERIOR DETAIL OF ATTIC ABOVE SECOND FLOOR, LOOKING EAST FROM TOWER SQUARE - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick HAER MD,11-PORO,1-11.tif 4,598 × 3,641; 15.97 MB
  
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  INTERIOR DETAIL OF TOWER, LOOKING UP - Baltimore and Ohio Railroad, Point of Rocks Station, Near State Route 28, Point of Rocks, Frederick County, MD HAER MD,11-PORO,1-12.tif 4,577 × 3,623; 15.82 MB
  
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  Interior of main shucking room. The cast-iron pot belly stove at center heated the room. Note the concrete tables and shucking stands lining the walls. - J.C. Lore Oyster House, 14430 HAER MD-139-12.tif 5,044 × 4,016; 38.66 MB
  
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  Interior view of 1929 former sub-assembly bay, looking southwest. - Kreider-Reisner Aircraft Company, Factory No. 1, 851 Pennsylvania Avenue, Hagerstown, Washington County, MD HAER MD-137-6.tif 5,277 × 3,832; 19.29 MB
  
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  Interior window detail. Note fuselage template sheeting in rear. - Kreider-Reisner Aircraft Company, Shed, 851 Pennsylvania Avenue, Hagerstown, Washington County, MD HAER MD-137-A-7.tif 3,846 × 5,310; 19.48 MB
  
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  INTERIOR, LITHOGRAPHY DEPARTMENT MIXING-INK STORAGE ROOM - American Can Company, Boston and Hudson Streets, Baltimore, Independent City, MD HAER MD,4-BALT,125-43.tif 4,908 × 3,927; 18.38 MB
  
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  INTERIOR, SECOND FLOOR, ROOF MONITOR WAREHOUSE (1902) - American Can Company, Boston and Hudson Streets, Baltimore, Independent City, MD HAER MD,4-BALT,125-26.tif 4,838 × 3,852; 17.78 MB
  
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  LITTLE PATUXENT RIVER BRIDGE. VIEW NW. (Rosenthal) - Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD HAER MD,17-GRBLT.V,1-29.tif 5,684 × 4,108; 22.27 MB
  
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  MARYLAND HIGHWAY 193 (GREENBELT ROAD) UNDERPASS. VIEW E. (Lowe) - Baltimore-Washington Parkway, Greenbelt, Prince George's County, MD HAER MD,17-GRBLT.V,1-15.tif 5,689 × 4,092; 22.2 MB
  
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  OBLIQUE VIEW, NORTHEAST PORTION OF STRUCTURE, FROM SOUTHEAST, SHOWING STRUCTURAL CONFIGURATION, INCLUDING PIN-CONNECTIONS OF VERTICAL TRUSS MEMBERS TO LOWER CHORD, STRINGERS, HAER MD,12-GRANT.V,2-14.tif 5,049 × 4,058; 19.54 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E. Cumberland, MD) FACTORY HAER MD,1-CUMB,4A-21.tif 5,132 × 4,025; 19.7 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) FACTORY HAER MD,1-CUMB,4A-22.tif 5,071 × 4,009; 19.39 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) FACTORY HAER MD,1-CUMB,4A-24.tif 5,086 × 4,015; 19.48 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) VIEW NORTHEAST, HAER MD,1-CUMB,4-5.tif 5,089 × 4,025; 19.54 MB
  
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  Photocopy of photograph (original photograph In the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) VIEW SOUTHEAST HAER MD,1-CUMB,4A-18.tif 5,080 × 4,027; 19.51 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) VIEW SOUTHEAST, HAER MD,1-CUMB,4-6.tif 5,110 × 4,008; 19.53 MB
  
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  Photocopy of photograph (original photograph In the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) WINGS AND HAER MD,1-CUMB,4A-20.tif 5,153 × 4,039; 19.85 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfield Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD). VIEW SOUTH, HAER MD,1-CUMB,4A-17.tif 5,108 × 4,039; 19.68 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfleld Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) FACTORY HAER MD,1-CUMB,4A-23.tif 5,126 × 3,998; 19.55 MB
  
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  Photocopy of photograph (original photograph in the collection of Kelly-Springfleld Tire Co., Corporate Headquarters, 12501 Willow Brook Road, S.E., Cumberland, MD) WINGS AND HAER MD,1-CUMB,4A-19.tif 5,107 × 4,062; 19.79 MB
  
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  Rear storage sheds, view east. - Kreider-Reisner Aircraft Company, Factory No. 1, 851 Pennsylvania Avenue, Hagerstown, Washington County, MD HAER MD-137-5.tif 5,296 × 3,841; 19.4 MB
  
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  ROOFTOP PARKING LOT, SHIPPING WAREHOUSE VIEW LOOKING NORTH - American Can Company, Boston and Hudson Streets, Baltimore, Independent City, MD HAER MD,4-BALT,125-21.tif 4,898 × 3,938; 18.4 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-1.tif 5,201 × 4,249; 21.08 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-10.tif 5,238 × 4,240; 21.18 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-12.tif 5,229 × 4,259; 21.24 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-13.tif 5,252 × 4,301; 21.55 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-2.tif 5,243 × 4,273; 21.37 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-4.tif 5,215 × 4,277; 21.27 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-5.tif 5,234 × 4,268; 21.31 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-6.tif 5,234 × 4,250; 21.22 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-8.tif 5,229 × 4,282; 21.36 MB
  
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  Schmidt Baking Company, 1301 Laurens Street, Baltimore, Independent City, MD HAER MD-80-9.tif 5,257 × 4,269; 21.41 MB
  
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  Side view, looking west. - Kreider-Reisner Aircraft Company, Factory No. 1, 851 Pennsylvania Avenue, Hagerstown, Washington County, MD HAER MD-137-3.tif 5,272 × 3,874; 19.48 MB
  
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  SIXTH FLOOR ROOF TRUSSING - Baltimore and Ohio Railroad, Tobacco Warehouse, 1000-1001 Fell Street, Baltimore, Independent City, MD HAER MD,4-BALT,132-18.tif 3,945 × 4,811; 18.1 MB
  
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  SOUTH SIDE, LOOKING NORTH - Ocean Mine No. 1 Complex, Powerhouse and Ventilation Fan, Midland, Allegany County, MD HAER MD,1-MIDL.V,1-3.tif 5,000 × 3,996; 19.06 MB
  
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  Union Jct Tower Baltimore 1983b.jpg 4,674 × 3,690; 1.92 MB