Bituminous coal fields of Pennsylvania /

Bibliographic Details
Corporate Authors:	United States. Bureau of Mines, Pennsylvania. Bureau of Topographic and Geologic Survey
Other Authors:	Ashley, Geo. H. (George Hall), 1866-1951, Sisler, James D. (James Donaldson), 1894-, Reese, John F.
Format:	Book
Language:	English
Published:	Harrisburg, Pa. : Dept. of Forests and Waters, Topographic and Geologic Survey, 1926-1928.
Edition:	2nd ed. /
Series:	Bulletin M ; 6.
Subjects:	Bituminous coal. Coal > Pennsylvania. Coal > Analysis. Charbon bitumineux. Charbon > Pennsylvanie. Charbon > Analyse. bituminous coal. Coal. Pennsylvania.