Studies of the extraction and coking of coal and their significance in relation to its structure
By: by M. Orchin ... [et al.].
Contributors: Orchin, Milton, 1914-
Series: Bulletin / Bureau of Mines ;; 505; Bulletin (United States. Bureau of Mines) ;; 505.
Publisher: U.S. G.P.O.
Published: 1951
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Coal.; Coke.; Extraction (Chemistry)