01520cam a2200385Ka 4500005949292MiAaHDL20250726000000.0m d cr bn ---auaua990531s1940 dcua f000 0 eng d(MiU)990059492920106381sdr-miu.990059492920106381(MiU)MIU01000000000000005949292-goog(OCoLC)41458191(MiU)Aleph005949292QPCQPCLHLUSBMIBOMRIUtOrBLWBMRAI 28.23:3525Progress reports - Metallurgical Division.[Part] 40,Beneficiation of boron minerals /by R. G. Knickerbocker [and others].Production of calcium borate from colemanite by carbonic acid leach.Beneficiation of boron minerals by flotation as boric acid.Washington, D.C. :U.S. Dept. of the Interior, Bureau of Mines,1940.18 p. :ill.texttxtrdacontentcomputercrdamediaonline resourcecrrdacarrierReport of investigations / United States Department of the Interior, Bureau of Mines ;3525Mode of access: Internet.Ore-dressing.http://id.loc.gov/authorities/subjects/sh85095414Boron.http://id.loc.gov/authorities/subjects/sh85015871Yerkes, L. A.Fox, A. L.Shelton, F. K.Knickerbocker, R. G.3901507849894900594929220241218010544.020250726000000.020260314165432.02026-03-15T11:01:46Z2024-12-24T18:30:02ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990059492920106381MiUSDRGWLA005949292mdp.39015078498949MIU990059492920106381MIUGWLA20260315googlemdp.390150784989491940pdbibUS fed doc