Maryland--Pennsylvania: Belair Quadrangle

Description

United States. Geological Survey. U.S.G.S. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1900. Verso: Description of the topographic map of the United States.

Publisher

[Reston, Va.] : U.S. Geological Survey, 1901.

Subject(s)

Topographic maps

Held by

Princeton

More details at

https://catalog.princeton.edu/catalog/6838170