Pennsylvania, 7.5 minute series (topographic) / mapped, edited, and published by the Geological Survey.

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.) Pennsylvania. Bureau of Topographic and Geologic Survey
Language:	English
Published:	Reston, Va. : U.S. Geological Survey, [1945?]-
Subjects:	Pennsylvania > Maps. Topographic maps. Maps.
Genre:	Maps. Topographic maps.
Physical Description:	maps : color ; on sheets 69 x 56 cm
Cartographic Data:	Scale 1:24,000 ; Polyconic projection, or Universal transverse Mercator projection, or Lambert conformal conic projection (W 81°00ʹ00ʺ--W 75°00ʹ00ʺ/N 42°00ʹ00ʺ--N 39°00ʹ00ʺ).
Format:	Government Document Map

Description
Note:	Relief shown by contours and spot heights. "Topography by photogrammetric methods from aerial photographs." Photorevised sheets show changes in purple. Includes quadrangle location map. Beginning in the 1990's, editions include index to adjoining sheets. Set includes various issues of some sheets. On some sheets: "... in cooperation with Pennsylvania Department of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey." Some sheets have standard map series designation: Series V831. Cartographic material.
Call Number:	Arranged by sheet name - refer to index in Maps