Progress reports - metallurgical division. 56, silver-recovery studies : some factors affecting flotation of the silver-bearing minerals tennantite and enargite

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100 1 ‡aLeaver, Edmund Spriggs, ‡d1873-
245 1 0 ‡aProgress reports - ‡bmetallurgical division. ‡n56, ‡psilver-recovery studies : some factors affecting flotation of the silver-bearing minerals tennantite and enargite / ‡cby E.S. Leaver, J.A. Woolf, and A.P. Towne.
246 3 0 ‡aSome factors affecting flotation of the silver-bearing minerals tennantite and enargite
246 3 0 ‡aSilver-recovery studies
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1942.
300 ‡a23 p. ; ‡c27 cm.
490 0 ‡aReport of investigations / United States Department of the Interior, Bureau of Mines ; ‡v3661
538 ‡aMode of access: Internet.
650 0 ‡aGold.
650 0 ‡aSilver.
700 1 ‡aTowne, A. P.
700 1 ‡aWoolf, J. A.
774 0 ‡aDoerner, H. A. (Henry Alfred), b. 1889. ‡tMagnesium by electrothermic reduction. ‡d[Washington, U.S. Govt. print. off.] 1942 ‡w(OCoLC)4819249
774 0 ‡aLeaver, Edmund Spriggs, 1873- ‡tProgress reports - 53, ore-testing studies of the precious metals section. ‡d[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1942 ‡w(OCoLC)41437530
774 0 ‡aShelton, S. M. ‡tProgress reports - 51, cinnabar-reduction plants of the Southwestern Arkansas quicksilver district. ‡d[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1942 ‡w(OCoLC)41437528
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