Organic-rich shale of the United States and world land areas
By: by Donald C. Duncan and Vernon E. Swanson
Contributors: Swanson, Vernon E. (Vernon Emmanuel), 1922-1992, author
Series: Geological Survey (U.S.). Circular -- 523; Geological Survey circular -- 523.
Published: 1965
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Shale; Oil-shales
Notes: Bibliography: p. 27-30.