MapMap of railroad line commencing at a point on the West-Philadelphia R.R. 4 miles below its junction with the Columbia R.R. & terminating at the R.R. bridge at Gray's Ferry; showing it ... The distance and cost of grading is tabulated at the lower right of the map. The area covered is along Mill Creek and from the Lancaster Pike to Schuylkill River.
- Contributor: Howell, Courtland D. - West Philadelphia Rail Road Company
- Date: 1849
MapMap of the proposed Great Western and Lake Erie Rail Road of Pennsylvania projected for the Sunbury Erie and Pittsburg [sic] Rail Road Convention by James Herron Civil Engineer. Physical map of Pennsylvania and parts of adjacent states showing drainage, relief by hachures, spot heights in feet, state boundaries, canals, cities and towns. Finished and proposed railroads with names of lines and mileages are indicated.
- Contributor: Herron, James W. - Great Western and Lake Erie Railroad
- Date: 1847
MapMap exhibiting that portion of the State of Pennsylvania traversed by the surveys for a continuous rail road from Harrisburg to Pittsburg made under the direction of Charles L. Schlatter, c.e. in ... Map shows drainage, county boundaries, cities, roads, and canals. Lines of surveys and railroads in operation are indicated by different colors. [From published bibliography]
- Contributor: Cramer, Charles - Bowen, John T.
- Date: 1840