Stripping-coal resources of the United States
By: by Paul Averitt.
Contributors: Geological Survey (U.S.)
Series: Contributions to economic geology; U.S. Geological Survey bulletin -- 1252-C
Publisher: U.S. Government Printing Office
Published: 1968
Place of publication: Washington, DC
Language: eng
Number of pages: 10
Subjects: Coal mines and mining -- United States.; Strip mining -- United States.
Notes: Bibliogr.

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