Constitution diagrams of Pennsylvania anthracite /

Bibliographic Details
Main Author:	Wagner, Holly C. (Holly Clyde), 1918-2005 (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1953.
Series:	Geological Survey bulletin ; 995-A. Contributions to economic geology ; 1953-54.
Subjects:	Anthracite coal > Pennsylvania. Mines and mineral resources > Pennsylvania. Mines and mineral resources. Anthracite coal. Pennsylvania.
Online Access:	https://purl.fdlp.gov/GPO/gpo65181

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