00911cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040002700111042001200138050002100150100002100171245006500192260005500257300003600312490004700348500009300395504002800488504003100516650004300547650003800590999001700628gs 21000188 DLC20260227111325.0760204s1920 cou 000 0 eng  ags 21000188  a(OCoLC)1966484 aDLCcIDeKNdOCoLCdDLC apremarc00aQE91b.A4 no. 221 aAurand, Harry A.14a... Mineral deposits of the western slope,cby H. A. Aurand. aDenver, Col.,bEames bros., state printersc[1920] a78 p.b2 fold. maps (in pocket)0 aColorado. Geological survey. Bulletin 22 aAt head of title: Colorado Geological survey, Boulder, R. D. George, state geologist ... aBibliography: p. 62-72. aBibliographical footnotes. 0aMines and mineral resourceszColorado. 0aGeologyzColoradozWestern Slope. c26091d26091