Bituminous coal fields of Pennsylvania.

Bituminous coal fields of Pennsylvania. - Harrisburg, 1925- - v in . illus., plates, maps (part fold.) tables, diagrs. 23 cm. - Its Bulletin M 6 . - Pennsylvania. Bureau of Topographic and Geologic Survey. Bulletin M 6. .

Includes bibliographies.

vol. 1, pt. 1. General information on coal, by G.H. Ashley. 1928. pt. 2. Detailed description of coal fields, by J.D. Sisler. 1926. pt. 3. Coal resources, by J.F. Reese and J.D. Sisler. 1928. pt. 4. Coal analysis, prepared by U.S. Bureau of Mines. 1925.

gs 29000124


Bituminous coal.
Coal--Pennsylvania.
Coal--Analysis.

TN805.P4 / A45

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