00845cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040003300111042001200144050001700156100005400173245007700227260004400304300003700348490007800385504002800463650001400491810008100505999001700586gs 50000119 DLC20260227111356.0790801s1950    mtu           000 0 eng c  ags 50000119   a(OCoLC)5230482  aU.S. Geol. SurveycTxEUdDLC  apremarc00aTN948.C8bH41 aHeinrich, E. Williamq(Eberhardt William),d1918-14aThe Camp Creek corundum deposit near Dillon, Beaverhead County, Montana.  aButte,bMontana School of Mines,c1950.  aiii, 20 p.bplate, maps.c28 cm.1 aMontana. Bureau of Mines and Geology. Miscellaneous contributionsvno. 11  a"References": p. 19-20. 0aCorundum.2 aMontana Bureau of Mines and Geology.tMiscellaneous contributions ;vno. 11.  c28465d28465