Petrography of American coals
By: by B.C. Parks and H.J. O'Donnell.
Contributors: O'Donnell, H. J. 1910-
Series: Bulletin / Bureau of Mines ;; 550; Bulletin (United States. Bureau of Mines) ;; 550.
Publisher: U.S. G.P.O.
Published: 1956
Place of publication: Washington, D.C
Language: eng
Number of pages: 193
Subjects: Coal -- Analysis.; Coal -- United States.
Notes: Bibliography: p. 144-146.
Includes indexes.