History of Pennsylvania bituminous coal.
Contributors: Maize, Clyde H.; Struble, George S.; Pennsylvania. Dept. of Mines and Mineral Industries.
Publisher: Pennsylvania Department of Mines and Mineral Industries
Published: 1962
Place of publication: [S.l.]
Language: eng
Number of pages: 59
Subjects: Coal mines and mining -- Pennsylvania.
Notes: Compiled by Clyde H. Maize and George S. Struble.