Pennsylvania Geological Survey

Report Of Progress 1874-1889, A-z., Volume 6...

Pennsylvania Geological Survey

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Report Of Progress 1874-1889, A-z., Volume 3...

Pennsylvania Geological Survey

$24.41

... Final report ordered by Legislature, 1891. A summary description of the geology of Pennsylvania, in three volumes, with a new geological map of ... map and list of bituminous mines .. Volume 1

Pennsylvania Geological Survey

$32.95

Report of Progress ..., Part 3, volume 1

Pennsylvania Geological Survey

$23.95

Annual Report On the Geological Survey of the State of Pennsylvania

Pennsylvania Geological Survey

$17.12

Final report ordered by Legislature, 1891. A general index of the Final summary report of the geology of Pennsylvania, J. P. Lesley, state geologist. ... brief guide to the publications of the Survey

Pennsylvania Geological Survey

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A General Index of the Final Summary Report of the Geology of Pennsylvania

Pennsylvania Geological Survey

$20.45 - $30.95

Annual Report of the Geological Survey of Pennsylvania for 1886

Pennsylvania Geological Survey

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Annual Report of the Geological Survey of Pennsylvania for 1886, Vol. 4 of 4: Miscellaneous Reports (Classic Reprint)

Pennsylvania Geological Survey

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Annual Report On The Geological Survey Of The State Of Pennsylvania, Issue 3

Pennsylvania Geological Survey

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The Geology of Lehigh and Northampton Counties

Pennsylvania Geological Survey

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