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Browse All : Geology by Gray, Ormando Willis of Pennsylvania from 1872

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Penn. geological formations.
Lesley, J. P. (J. Peter...
Penn. geological format...
1872
1155.001
Related
 
Author
Lesley, J. P. (J. Peter), 1819-1903
Full Title
Topographical map of Pennsylvania, colored for the principal geological formations, by J. Peter Lesley, Philadelphia. Engraved by W.S. Barnard, N.Y. (Published by Stedman, Brown & Lyon, Philadelphia, 1872)
List No
1155.001
Note
Hand col. lithographed map. Relief shown by form lines.
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