00765cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040002000111042001200131050001600143100004900159245006400208260004400272300005400316490004500370500004500415504002800460650001800488999001700506gs 17000189 DLC20260227111321.0781116s1917    dcua         f000 0 eng    ags 17000189   a(OCoLC)4379994  aDLCcNUtSUdDLC  apremarc00aTN263b.E481 aEmmons, William H.q(William Harvey),d1876-14aThe enrichment of ore deposits /cby William Harvey Emmons.  aWashington :bGovt. print. off.,c1917.  a530 p. :bill., vii pl (1 fold) diagr., ;c24 cm.0 aU. S. Geological survey.  Bulletin  625.  aAt head of title: Dept. of the interior.  aBibliography: p. 20-33. 0aOre deposits.  c25750d25750