Providing new sources of mineral supply
Gries, John Paul
Providing new sources of mineral supply by John Paul Gries. - Washington U.S. Dept. of the Interior, Bureau of Mines for sale by the Supt. of Docs., U.S. G.P.O. 1979. - 42 p. ill., maps 26 cm. - Information circular / Bureau of Mines 8789 . - United States. Bureau of Mines. Information circular 8789. .
Includes bibliographical references.
Mines and mineral resources--United States.
I 28.27:8789
Providing new sources of mineral supply by John Paul Gries. - Washington U.S. Dept. of the Interior, Bureau of Mines for sale by the Supt. of Docs., U.S. G.P.O. 1979. - 42 p. ill., maps 26 cm. - Information circular / Bureau of Mines 8789 . - United States. Bureau of Mines. Information circular 8789. .
Includes bibliographical references.
Mines and mineral resources--United States.
I 28.27:8789