Definition and world resources of natural bitumens /

Bibliographic Details

Main Authors:	Meyer, R. F. (Richard F.), 1921- (Author), De Witt, Wallace, Jr., 1920-2012 (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1990.
Series:	U.S. Geological Survey bulletin ; 1944.
Subjects:	Asphalt. Bitumen.
Online Access:	https://purl.fdlp.gov/GPO/gpo69674