00885cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050002100142100003300163245008600196260005800282300008700340410004700427504003100474504003200505650001200537650001300549650001400562650004300576gs 21000187 DLC20260227111325.0760420s1921    xx            000 0 eng    ags 21000187   a(OCoLC)2127424  aDLCcTxEUdDLC  apremarc00aQE91b.A4 no. 161 aCoffin, Reuben Clare,d1886-10aRadium, uranium and vanadium deposits of southwestern Colorado,cby R. C. Coffin.  aDenver, Col.,bEames brothers, state printers,c1921.  a231 p.bincl. illus., maps, tables.c23 cm.band 3 fold. maps. in separate pocket.20aColorado Geological Survey.tBulletin,v16  aBibliography : p. 226-227.  aBibliographical foot-notes. 0aRadium. 0aUranium. 0aVanadium. 0aMines and mineral resourceszColorado.