Biblioteca SEGEMAR

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Ahlness, Jon K.

Electronic ore sorting tests on native copper ore / by Jon K. Ahlness and James C. Kirchner. - [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1980. - ii, 36 p. : ill., 1 map ; 27 cm. - Report of investigations ; 8490 . - Report of investigations (United States. Bureau of Mines) ; 8490. .

Bibliography: p. 34-35.

LCCN: 80607071

Subjects--Topical Terms:
Electronic ore sorters--Testing.
Copper--Metallurgy.
Copper ores--Michigan.

LC Class. No.: TN23 TN515 / .U43 no. 8490

Dewey Class. No.: 622 s 622/.343

Gov. Doc. Class. No.: I 28.23