The Pumpkin Buttes coal field, Wyoming
By: by C.H. Wegemann, R.W. Howell and C.E. Dobbin
Contributors: Howell, R. W.; Dobbin, C. E. (Carroll Edward), 1892-1967
Series: Bulletin / Department of the Interior, U.S. Geological Survey -- 806-A; Contributions to economic geology -- 1928, pt. 2, p. 1-14; Geological Survey bulletin -- 806-A
Publisher: U.S. G.P.O.
Published: 1928
Place of publication: Washington
Language: eng
Number of pages: 14
Subjects: Coal; Geology
Notes: Cover title.

Includes bibliographical references.