Basic estimated capital investment and operating costs for underground bituminous coal mines
Subtitle: mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed
By: by Sidney Katell, E. L. Hemingway, and L. H. Berkshire.
Contributors: Hemingway, E. L., joint author.; Berkshire, L. H., joint author.
Series: Information circular - Bureau of Mines ; 8682A; Information circular (United States. Bureau of Mines) ;; 8682A.
Publisher: U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 41
Subjects: Coal mines and mining -- United States -- Finance.; Bituminous coal.
Other titles: Basic estimated capital investment and operating costs ...
Notes: "Revision of Information circular 8632."