00896cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035002000092040004400112042001200156050002400168100003300192245009700225260004100322300002800363490005800391500001700449650001700466650001900483740005100502810006000553999001700613gs 51000056 DLC20260227111357.0921214s1949    iduf         s000 0 eng c  ags 51000056   a(OCoLC)27117085  aU.S. Geol. Survey. Libr.cCLUdCLUdDLC  apremarc00aTN24.I2bA43 no. 861 aPrater, Lewis Seward,d1915-10aMicroscopic studies on mill products from the Pine Creek Area, Yreka Mining District, Idaho.  aMoscow,bUniversity of Idaho,c1949.  a2 l.b3 plates.c28 cm.1 aIdaho. Bureau of Mines and Geology. Pamphlet,vno. 86  aCover title. 0aMicroscopes. 0aMetallography.0 aPine Creek Area, Yreka Mining District, Idaho.2 aIdaho Bureau of Mines and Geology.tPamphlet ;vno. 86.  c28526d28526