Availability of platinium and platinium-group metals /
Catharine T. Fogg and Joseph L. Cornellisson.
- Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1993.
- iv, 54 p. : ill., maps.
- Information circular ; 9338 .
- United States. Bureau of Mines (Report of Investigations) ; 9338. .
- Report of investigations (United States .Bureau of Mines) ; 9338. .
93-023263
93025150
Platinium group. Platinium ores. Platinium ores--United States.