01686cam a2200409Ia 4500005950125MiAaHDL20250726000000.0m d cr bn ---auaua951211s1949 dcu f000 0 eng d(MiU)990059501250106381sdr-miu.990059501250106381(MiU)MIU01000000000000005950125-goog(OCoLC)33885759(MiU)Aleph005950125ABCABCOCLCQOCLCGBOMRIUtOrBLWs-cl---BMRAI 28.23:4612Engel, A. L.(Abraham L.)Chloride volatilization and other tests on a gold-copper ore /by A.L. Engel and H.J. Heinen.[Washington, D.C.] :U.S. Dept. of the Interior, Bureau of Mines,1949.8 p. ;27 cm.texttxtrdacontentcomputercrdamediaonline resourcecrrdacarrierReport of investigations / United States Department of the Interior, Bureau of Mines ;4612"December 1949."Includes bibliographical references.Mode of access: Internet.Copper oresChileAtacamaTesting.Gold oresChileAtacamaTesting.Cyanide process.http://id.loc.gov/authorities/subjects/sh85035027Chlorination.http://id.loc.gov/authorities/subjects/sh85024540Ore-dressing.http://id.loc.gov/authorities/subjects/sh85095414Heinen, H. J.(Harold J.)http://id.loc.gov/authorities/names/n50000480http://id.loc.gov/rwo/agents/n500004803901507848717300595012520241218013758.020250726000000.020260317140659.02026-03-18T05:59:11Z2024-12-24T18:30:02ZSDR-MIUmiuALMAprepare.pl-004-009BKsdr-miu.990059501250106381MiUSDRGWLA005950125mdp.39015078487173MIU990059501250106381MIUGWLA20260318googlemdp.390150784871731949pdbibUS fed doc