Index to maps of Pennsylvania /

A map of the state of Pennsylvania upon which is superimposed a grid showing how the state is broken down and covered by mapping of the U.S. Geological Survey.

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Bibliographic Details
Corporate Author: Geological Survey (U.S.).
Format: Map
Language:English
Published: Washington, D.C. : The Survey, 1960.
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Summary: A map of the state of Pennsylvania upon which is superimposed a grid showing how the state is broken down and covered by mapping of the U.S. Geological Survey.
Item Description: "March 1960."
Includes location map.
Text on verso.
Physical Description: 1 map ; 39 x 67 cm, on sheet 52 x 70 cm, folded to 23 x 18 cm