International strategic minerals inventory, summary report
Subtitle: a regional assessment of selected mineral commodities in subequatorial Africa
By: George J. Coakley, Richard N. Crockett & Erik C.I. Hammerbeck.
Contributors: Hammerbeck, Erik C. I.; Crockett, Richard N.; United States. Bureau of Mines.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1991
Language: eng