Our mineral supplies
By: H. D. McCaskey and E. F. Burchard, geologists in charge.
Contributors: Burchard, Ernest F. 1875-1961.
Series: Geological Survey bulletin -- 666
Publisher: Govt. Print. Off.
Published: 1919
Place of publication: Washington
Language: eng
Number of pages: 278
Subjects: Mines and mineral resources -- United States.; Mineralogy -- United States.
Notes: Bibliography: p. 221-278.