Fluorspar resources of Africa
By: by Ralph E. van Alstine and Paul G. Schruben.
Contributors: Schruben, Paul G., joint author.
Series: Geological Survey bulletin ; 1487; Geological Survey bulletin ;; 1487.
Publisher: U.S. Govt. Print. Off. : for sale by the Supt. of Docs.
Published: 1980
Place of publication: Washington
Language: eng
Number of pages: 25
Subjects: Fluorspar -- Africa.
Notes: Bibliography: p. 21-25.