Pennsylvania's mineral heritage
Subtitle: The commonwealth at the economic crossroads of her industrial development.
By: Pennsylvania Dept. of Internal Affairs. Bureau of Statistics. Topographic and Geologic Survey. The Pennsylvania State College, School of Mineral Industries.
Contributors: Pennsylvania. Bureau of Topographic and Geologic Survey; Pennsylvania State College. School of Mineral Industries.
Publisher: Commonwealth of Pennsylvania, Dept. of Internal Affairs
Published: 1944
Place of publication: Harrisburg
Language: eng
Number of pages: 248
Subjects: Mines and mineral resources -- Pennsylvania.
Notes: "Publications of the Mineral Industries Experiment Station": p. 243-248. "Mineral Industries Extension Services publications": p. 248.