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