Category:Books about the geology of Pennsylvania

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Subcategories

This category has only the following subcategory.

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Books about the geology of Pennsylvania (historical) (9 F)

Media in category "Books about the geology of Pennsylvania"

The following 2 files are in this category, out of 2 total.

Charles R. Fettke - Oil Resources in Coal and Carbonaceous Shales of Pennsylvania (1924).pdf 1,341 × 1,770, 142 pages; 12.64 MB
Field notes - Pennsylvania, 1892-1893, 1934, includes notes by Charles Elmer Resser, H. Justin Roddy, and Herbert Huebener Beck (IA fieldnotespenns00walc).pdf 2,908 × 4,387, 13 pages; 1.71 MB

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