Map 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 the year 1839 and 1840.

Map shows drainage, county boundaries, cities, roads, and canals. Lines of surveys and railroads in operation are indicated by different colors. [From published bibliography]
Scale 1:380,160; 6 miles to an in.
Relief shown by hachures.
Hand colored.
LC Railroad maps, 291
Available also through the Library of Congress Web site as a raster image.
AACR2: 650; 700