The origin of coal
By: by David White and Reinhardt Thiessen, with a chapter on the formation of peat, by Charles A. Davis.
Contributors: Thiessen, Reinhardt, 1867-1938, joint author.; Davis, Charles Albert, 1861-1916.
Series: [U.S.] Bureau of mines. Bulletin; 38
Publisher: Govt. print. off.
Published: 1913
Place of publication: Washington
Language: eng
Number of pages: 390
Subjects: Coal.; Peat.