Description: Pennsylvania :

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Bibliographic Details
Corporate Author:	Geological Survey (U.S.).
Format:	Book
Language:	English
Published:	Reston, Va. : The Survey, [1988]
Subjects and Genres:	Pennsylvania > Maps, Topographic > Bibliography > Catalogs. Pennsylvania > Maps > Bibliography > Catalogs.
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Item Description:	Cover title. "Companion publication to the Pennsylvania index to topographic and other map coverage." Updated and reissued periodically. "January 1988."
Physical Description:	23 pages : illustrations ; 22 x 28 cm