United States mineral resources
By: Donald A. Brobst and Walden P. Pratt, editors.
Contributors: Brobst, Donald Albert, 1925-; Pratt, Walden P.
Series: Geological survey professional paper
Publisher: U. S. Govt. Print. Office
Published: 1973
Place of publication: Washington
Number of pages: 722
Subjects: Mines and mineral resources -- United States
Notes: Includes biobliographies.