Bituminous Coal Fields of Pennsylvania ...: pt.1. General information on coal, by G. H. Ashley. 1928. pt.2. Detailed description of coal fields, by J. D. Sisler. 2d ed. 1932. pt.3. Coal resources, by J. F. Reese and J. D. Sisler. 1928. pt.4. Coal analyses, prepared by U.S. Bureau of mines. 1925
Author: Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher:
Published: 1926
Total Pages: 542
ISBN-13:
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