00706cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001800092040002100110050002000131051002100151100003100172245007700203260005700280300002700337490004400364650002600408650002500434999001700459gs 13000440 DLC20260227111314.0720727s1913    xx            000 0 eng    ags 13000440   a(OCoLC)367070  aDLCcOKentUdDLC00aQE91b.A4 no. 6  aQE431b.G44 19131 aGeorge, Russell D.,d1866-00aCommon minerals and rocks,btheir occurrence and uses,cby R. D. George.  aDenver, Col.,bThe Smith-Brooks printing co.,c1913.  a406 p.billus.c24 cm.0 aColorado. Geological survey. Bulletin 6 0aMineralogyzColorado. 0aPetrologyzColorado.  c25262d25262