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Authors : Geological Survey of Pennsylvania., Rogers, Henry D. (Henry Darwin), 1808-1866.
Title: Annual report on the geological exploration of the state of Pennsylvania /
Print source: Annual report on the geological exploration of the state of Pennsylvania / by Henry D. Rogers.
Geological Survey of Pennsylvania.Rogers, Henry D. (Henry Darwin), 1808-1866.

[Harrisburg: The Survey], 1838
Publication Info: Pittsburgh: University of Pittsburgh, Digital Research Library
2007-12-04
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Subject terms:
Geology--Pennsylvania--Periodicals.
Mines and mineral resources--Pennsylvania--Periodicals.
URL: http://digital.library.pitt.edu/cgi-bin/t/text/text-idx?idno=31735054848050;view=toc;c=darltext

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