Proposed methods and estimated costs of mining oil shale at Rulison, Colo
By: by E.D. Gardner and Charles N. Bell
Contributors: Bell, Charles N.
Series: Information circular -- 7218; Information circular (United States. Bureau of Mines) -- 7218.
Publisher: U.S. Department of the Interior, Bureau of Mines
Published: 1942
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 59
Subjects: Oil-shales
Notes: Cover title.

"November 1942."

"8956"--Footer.

Includes bibliographical references.

Also available online via Internet Archive, and via the HathiTrust Digital Library (viewed on December 29, 2021).