Tar sands.
Subtitle: Hearing, Ninety-first Congress, second session, on S. 581 ... [and] S. 582 ... Salt Lake City, Utah, July 13, 1970.
Publisher: U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington
Language: eng
Number of pages: 70
Subjects: Bitumen -- United States.; Public lands -- United States.; Leases -- United States.