Strippable reserves of bituminous coal and lignite in the United States.
Series: Information circular ;; 8531; Information circular (United States. Bureau of Mines) ;; 8531.
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: [Washington
Language: eng
Number of pages: 148
Subjects: Coal -- Geology -- United States.; Bituminous coal.; Lignite -- United States.; Strip mining.
Notes: Bibliography: p. 56-69.