Pilot plant flotation of nonmagnetic taconite and semitaconite

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100 1 ‡aSorensen, Roy T.
245 1 0 ‡aPilot plant flotation of nonmagnetic taconite and semitaconite / ‡cby R.T. Sorensen and D.W. Frommer.
260 ‡a[Washington, D.C.] : ‡bU.S. Dept. of the Interior, Bureau of Mines, ‡c1966.
300 ‡aii, 46 p. : ‡bill. ; ‡c27 cm.
490 0 ‡aReport of investigations / United States Department of the Interior, Bureau of Mines ; ‡v6719
500 ‡aBased upon work done in cooperation with the Hanna Mining Co.
504 ‡aIncludes bibliographical references.
538 ‡aMode of access: Internet.
650 0 ‡aFlotation.
650 0 ‡aTaconite.
700 1 ‡aFrommer, Donald W.
710 2 ‡aHanna Mining Company.
710 1 ‡aUnited States. ‡bBureau of Mines.
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