The mineral industry of Pennsylvania in 1974
By: William Kebblish.
Contributors: United States. Bureau of Mines.; Pennsylvania. Bureau of Topographic and Geologic Survey.
Series: Information circular - Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey ; 82
Publisher: Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey
Published: 1978
Place of publication: [Harrisburg, Pa.]
Language: eng
Number of pages: 39
Subjects: Mineral industries -- Pennsylvania.; Mines and mineral resources -- Pennsylvania.
Notes: Includes bibliographical references.
Cover title.
Prepared by the Bureau of Mines, U.S. Dept. of the Interior, and the Pennsylvania Bureau of Topographic and Geologic Survey.