Stripping-coal resources of the United States--January 1, 1970.
Series: Geological Survey bulletin 1322; Geological Survey bulletin ;; 1322.
Publisher: U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington
Language: eng
Number of pages: 34
Subjects: Coal mines and mining -- United States.; Strip mining -- United States.
Notes: Bibliography: p. 29-34.
"Supersedes Bulletin 1252-C."