00689cam a22002051  4500001001300000003000400013005001700017008004100034010001700075035001900092040002100111050001600132100003600148245011000184260004300294300003100337490004100368810005700409999001700466gs 15000806 DLC20260227111318.0791128s1915    dcua         f000 0 eng    ags 15000806   a(OCoLC)5736866  aDLCcICharEdDLC00aTN263b.W451 aWells, Roger Clark,d1877-1944.14aThe Fractional precipitation of some ore-forming compounds at moderate temperatures /cby Roger C. Wells.  aWashington,bGovt. Print. Off.,c1915.  a46 p. :bdiagrs. ;c24 cm.1 aU.S. Geological survey. Bulletin 6091 aUnited States.bGeological Survey.tBulletin ;v609.  c25589d25589