00881cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050002100142100004400163245005800207260005900265300002700324410004700351504015900398650003000557700003500587999001700622gs 19000332 DLC20260227111323.0760409s1919    xx            000 0 eng    ags 19000332   a(OCoLC)2103950  aDLCcTxEUdDLC  apremarc00aQE91b.A4 no. 151 aMuilenburg, G. A.q(Garrett A.),d1889-10aManganese deposits of Colorado,cby G. A. Muilenburg.  aDenver, Colo.,bEames brothers, state printers,c1919.  a3 p. l., 76 p.c23 cm.20aColorado Geological Survey.tBulletin,v15  a"Bibliography on the occurrence, geology, and mining of manganese, with some references on its metallurgy and uses, comp. by Harold L. Wheeler": p. 54-69. 0aManganese oreszColorado.12aWheeler, Harold Leslie,ecomp.  c25951d25951