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Authors : Pennsylvania, Bureau of Topographic and Geologic Survey., Geological Survey (U.S.)
Title: Topographic and geologic atlas of Pennsylvania
Print source: Topographic and geologic atlas of Pennsylvania
Pennsylvania, Bureau of Topographic and Geologic Survey.Geological Survey (U.S.)

Harrisburg, Pa: The Survey, 
Publication Info: Pittsburgh: University of Pittsburgh, Digital Research Library
2001
Availability:

This work is believed to be in the public domain with no known restrictions on access and use.

Subject terms:
Geology--Pennsylvania.
Mines and mineral resources--Pennsylvania.
URL: http://digital.library.pitt.edu/cgi-bin/t/text/text-idx?idno=27awn8131m;view=toc;c=pitttext

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