File:1839 Tapeworm Railroad and Nichols Gap Road at Toms Creek Gap.png
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1839_Tapeworm_Railroad_and_Nichols_Gap_Road_at_Toms_Creek_Gap.png (515 × 351 pixels, file size: 335 KB, MIME type: image/png)
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[edit]Description1839 Tapeworm Railroad and Nichols Gap Road at Toms Creek Gap.png |
English: The 1839 survey of the en:Tapeworm Railroad route (top) with excavations (tracks weren't completed) included a switchback from en:Maria Furnace westward along the en:Nichols Gap Road. The route was to loop west of the location where the Nichols Gap Road crossed Toms Creek in a topographic gap between ~900 ft (270 m) levels (bottom). The survey map shows the 3 crossing points of the route, the road, and the creek (white pixels at top, with misaligned hachures to the northeast) were at 3 distinctly different points. At the easternmost of the 3 points, the railroad company built a single-arch stone bridge for the road over the creek. (The roadway bridge is often misidentified as being for the railway and--with the inaccurate term "viaduct"--as having multiple arches.) In addition to the never-built Tapeworm Railroad trestle to cross the gap west of the roadway bridge, a Tapeworm Railroad tunnel was planned nearby (top, outlined) through a spur of Jacks Mountain. In 1888-1889, the "Western Extension" was built by the en:Baltimore and Harrisburg Railway (bottom) east of the gap, crossing Toms Creek at a lower elevation than the original Tapeworm Railroad route. |
Source | 1839 Tapeworm RR survey & 1907 topographical map |
Author | pasted together by wikipedia poster |
Permission (Reusing this file) |
US publications before 1923 |
Other versions | full image of 1839 map available at Wikimedia Commons |
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[edit]Public domainPublic domainfalsefalse |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:23, 28 November 2011 | ![]() | 515 × 351 (335 KB) | Target for Today (talk | contribs) | {{Information |Description ={{en|1=The 1839 survey of the en:Tapeworm Railroad route (top) with excavations (tracks weren't completed) included a switchback from en:Maria Furnace westward along the en:Nichols Gap Road. The route was to |
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Horizontal resolution | 37.8 dpc |
Vertical resolution | 37.8 dpc |