The Ancient Volcanic Rocks of South Mountain, Pennsylvania

The Ancient Volcanic Rocks of South Mountain, Pennsylvania PDF Author: Florence Bascom
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ISBN:
Category : Geology
Languages : en
Pages : 362

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The Ancient Volcanic Rocks of South Mountain, Pennsylvania

The Ancient Volcanic Rocks of South Mountain, Pennsylvania PDF Author: Florence Bascom
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 362

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U.S. Geological Survey Bulletin

U.S. Geological Survey Bulletin PDF Author: Aaron Clement Waters
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ISBN:
Category : Caves
Languages : en
Pages : 178

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Bulletin of the United States Geological Survey

Bulletin of the United States Geological Survey PDF Author:
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ISBN:
Category : Geology
Languages : en
Pages : 754

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Geology and Mineral Resources of the Bellefonte Quadrangle, Pennsylvania

Geology and Mineral Resources of the Bellefonte Quadrangle, Pennsylvania PDF Author: Charles Butts
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Category : Geology
Languages : en
Pages : 588

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Geology of the Hanover-York District, Pennsylvania

Geology of the Hanover-York District, Pennsylvania PDF Author: Anna Isabel Jonas
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Category : Geology
Languages : en
Pages : 122

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New Holland Quadrangle

New Holland Quadrangle PDF Author: Anna Isabel Jonas
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Category : Geology
Languages : en
Pages : 54

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Bulletin of the United States Geological Survey

Bulletin of the United States Geological Survey PDF Author: Geological Survey (U.S.)
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ISBN:
Category : Geology
Languages : en
Pages : 1106

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The American Journal of Science

The American Journal of Science PDF Author:
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ISBN:
Category : Earth sciences
Languages : en
Pages : 534

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House documents

House documents PDF Author:
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ISBN:
Category :
Languages : en
Pages : 1252

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Report of the National Museum

Report of the National Museum PDF Author: United States National Museum
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ISBN:
Category : Science
Languages : en
Pages : 1418

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