An edition of Coal beds in Cambria County, Pennsylvania (1922)
Coal beds in Cambria County, Pennsylvania
By James D. Sisler
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Publish Date
1922
Publisher
Bureau of Topographic and Geological Survey
Language
eng
Pages
13
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Coal beds in Cambria County, Pennsylvania
Language: eng
Pages: 13
Published In: 1922
Publisher: Bureau of Topographic and Geological Survey