Room and pillar retreat mining
Subtitle: a manual for the coal industry
By: by Peter W. Kauffman, Steven A. Hawkins and Robert R. Thompson.
Contributors: Hawkins, Steven A.; Thompson, Robert R.
Series: Bureau of Mines information circular ;; 8849; Information circular (United States. Bureau of Mines) ;; 8849.
Publisher: U.S. Dept. of the Interior, Bureau of Mines; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1981
Place of publication: Washington, D.C
Language: eng
Number of pages: 228
Subjects: Coal mines and mining -- Handbooks, manuals, etc.; Pillaring (Mining) -- Handbooks, manuals, etc.
Notes: Bibliography: p. 160-175.