The upper Devonian rocks of southwest Pennsylvania

John James Stevenson

doi:10.2475/ajs.s3-15.90.423

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The upper Devonian rocks of southwest Pennsylvania

John James Stevenson

American Journal of Science June 1878, s3-15 (90) 423-430; DOI: https://doi.org/10.2475/ajs.s3-15.90.423

John James Stevenson

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American Journal of Science

Vol. s3-15, Issue 90

June 1878

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The upper Devonian rocks of southwest Pennsylvania

John James Stevenson

American Journal of Science Jun 1878, s3-15 (90) 423-430; DOI: 10.2475/ajs.s3-15.90.423

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The upper Devonian rocks of southwest Pennsylvania

John James Stevenson

American Journal of Science Jun 1878, s3-15 (90) 423-430; DOI: 10.2475/ajs.s3-15.90.423

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Keywords

Devonian
historical geology
Paleozoic
Pennsylvania
southwestern
southwestern Pennsylvania
United States

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