Category:Mississippi River Lock and Dam number 21

**Lock and Dam No. 21**
	lock and dam on the Mississippi River at Quincy, Illinois, USA
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	Wikipedia
Instance of	lock; dam; historic district;
Location	Mississippi River; Melrose Township; Marion County; United States of America;
Architect	United States Army Corps of Engineers;
Heritage designation	National Register of Historic Places listed place (Upper Mississippi River 9-Foot Navigation Project MPS, A, C, NRHP district, Lock and Dam No. 21 Historic District, 2004–);
Elevation above sea level	143 m;
Drainage basin	Mississippi River drainage basin;
	39° 54′ 21.96″ N, 91° 25′ 55.92″ W
Authority file
	Q1867486; NRHP reference number: 04000181; LoC HABS/HAER/HALS place ID: il0554
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; WikiShootMe; OpenStreetMap; Search depicted;

Media in category "Mississippi River Lock and Dam number 21"

The following 30 files are in this category, out of 30 total.

GENERAL HIGH ALTITUDE AERIAL VIEW OF COMPLEX AND SETTING October 1982 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County HAER ILL,1-QUI,5-19.tif 5,206 × 3,721; 18.48 MB
GENERAL VIEW OF DAM, DOWNSTREAM SIDE, LOOKING FROM GUIDEWALL - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-2.tif 5,358 × 3,822; 19.53 MB
GENERAL VIEW OF DAM, DOWNSTREAM SIDE, LOOKING FROM TOE OF DIKE - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-1.tif 5,385 × 3,822; 19.63 MB
GENERAL VIEW OF ESPLANADE, LOOKING FROM SOUTH - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-4.tif 5,228 × 3,715; 18.52 MB
GENERAL VIEW OF LOCK, DOWNSTREAM SIDE, LOOKING FROM GUIDEWALL - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-3.tif 5,218 × 3,704; 18.43 MB
DAM INDEX. September 1935 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-27.tif 5,207 × 3,711; 18.43 MB
DAM, GENERAL PLAN. September 1935 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-25.tif 5,196 × 3,753; 18.6 MB
DETAIL OF DAM, TAINTER GATES, LOOKING NORTHEAST. August 1937 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-21.tif 5,213 × 3,736; 18.58 MB
DETAIL OF LOCK, VIEW TO EAST WALL. May 1912 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-20.tif 5,000 × 3,609; 17.21 MB
DETAIL VIEW OF ATTACHED LAMP STANDARD, PIER HOUSE NO. 4, DAM - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-5.tif 5,213 × 3,731; 18.55 MB
DETAIL VIEW OF ROLLER GATE GAUGE, HUB TYPE, PIER HOUSE NO. 4, DAM - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-6.tif 5,000 × 3,581; 17.08 MB
DETAIL VIEW OF SOUTH AND WEST SIDES OF METAL SHED, ESPLANADE - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-10.tif 5,224 × 3,736; 18.62 MB
DETAIL VIEW OF UPSTREAM RIVERWALL EXTENSION, MAIN LOCK - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-7.tif 5,224 × 3,715; 18.51 MB
INTERIOR VIEW OF CENTRAL CONTROL STATION, WITH A DETAILED VIEW OF THE CONTROL PANEL, CLOSED - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, HAER ILL,1-QUI,5-8.tif 5,215 × 3,710; 18.45 MB
INTERIOR VIEW OF CENTRAL CONTROL STATION, WITH A DETAILED VIEW OF THE CONTROL PANEL, OPEN - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, HAER ILL,1-QUI,5-9.tif 5,200 × 3,721; 18.46 MB
LOCK INDEX. October 1982 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-22.tif 5,218 × 3,725; 18.54 MB
LOCK, PILE SPACING. December 1933 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-24.tif 5,206 × 3,759; 18.67 MB
Mississippi River Lock and Dam number 21 HAER.jpg 5,033 × 3,491; 1.46 MB
Mississippi River Lock and Dam number 21.Jpg 1,500 × 1,001; 305 KB
PROJECT LOCATION. October 1933 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-26.tif 5,238 × 3,758; 18.78 MB
Quincy Lock and Dam.JPG 4,000 × 3,000; 4.01 MB
SITE MAP. October 1982 - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-23.tif 5,185 × 3,694; 18.27 MB
VIEW OF DINING ROOM, LOCKKEEPER'S HOUSE, LOOKING EAST - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-18.tif 5,224 × 3,736; 18.62 MB
VIEW OF FRONT PARLOR, LOCKKEEPER'S HOUSE -1, LOOKING SOUTHEAST - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-14.tif 5,208 × 3,726; 18.51 MB
VIEW OF FRONT PARLOR, LOCKKEEPER'S HOUSE -1, LOOKING SOUTHWEST - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-13.tif 5,216 × 3,726; 18.54 MB
VIEW OF KITCHEN, LOCKKEEPER'S HOUSE, LOOKING SOUTHWEST - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-17.tif 5,202 × 3,719; 18.45 MB
VIEW OF LOCKKEEPER'S HOUSE -1, NORTH AND WEST SIDES - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-12.tif 5,200 × 3,732; 18.51 MB
VIEW OF LOCKKEEPER'S HOUSE -1, SOUTH AND EAST SIDES - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-11.tif 5,326 × 3,784; 19.22 MB
VIEW OF LOCKKEEPER'S HOUSE -2, NORTH AND EAST SIDES - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-16.tif 5,195 × 3,691; 18.29 MB
VIEW OF LOCKKEEPER'S HOUSE -2, SOUTH AND WEST SIDES - Mississippi River 9-Foot Channel Project, Lock and Dam No. 21, Upper Mississippi River, Quincy, Adams County, IL HAER ILL,1-QUI,5-15.tif 5,227 × 3,693; 18.41 MB

Category:Mississippi River Lock and Dam number 21

Media in category "Mississippi River Lock and Dam number 21"

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