Pennsylvania: Troy Quadrangle.

More details at:

https://catalog.princeton.edu/catalog/6868324

Description:

United States. Geological Survey. U.S.G.S. Alternate title: Trout Run, PA. Polyconic projection. Relief shown by 20 feet contour interval and spot heights. Surveyed in 1921. Surveyed in cooperation with the State of Pennsylvania. Verso: The topographic maps of the United States.

Publisher:

[Washington, D.C.] : U.S. Geological Survey, 1923.

Provider:

Princeton

Resource Class:

Maps

Resource Type:

Digital maps

Subject:

Topographic maps

Access Rights:

Public

Format:

TIFF