Oil shale
Subtitle: a potential source of energy
By: [by Donald C. Duncan]
Contributors: Geological Survey (U.S.)
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1980
Place of publication: [Reston, Va.?]
Language: eng
Number of pages: 15
Subjects: Oil-shales -- United States; Oil-shale industry -- Environmental aspects -- United States
Notes: No longer available for sale by the Supt. of Docs