TY  - BOOK
AU  - Ashley,GeoH.
AU  - Sisler,James Donaldson
AU  - Reese,John F.
ED  - Pennsylvania.
ED  - United States.
TI  - Bituminous coal fields of Pennsylvania
T2  - Its Bulletin M 6
AV  - TN805.P4 A45
PY  - 1925///-
CY  - Harrisburg
KW  - Bituminous coal
KW  - Coal
KW  - Pennsylvania
KW  - Analysis
N1  - 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
ER  -