00914cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040002100111042001200132043001200144050002200156051002600178100003400204245010800238260004800346300009100394490004100485650002700526650002200553700005600575999001700631gs 33000415 DLC20260227111338.0800613s1933    dcua     b   f001 0 eng    ags 33000415   a(OCoLC)6418960  aDLCcICharEdDLC  apremarc  an-us-mt00aQE75b.B9 no. 842  aTN24.M9bP32cCopy 2.1 aPardee, Joseph Thomas,d1871-10aMetalliferous deposits of the greater Helena mining region, Montana,cby J.T. Pardee and F.C. Schrader.  aWashington,bU.S. Govt. Print. Off.,c1933.  axi, 318 p.billus., 47 pl. (part fold. incl. maps (3 in pocket) plans, diagrs.c23 cm.0 aU.S. Geological survey. Bulletin 842 0aOre depositszMontana. 0aGeologyzMontana.1 aSchrader, Frank Charles,d1860-1944,ejoint author.  c27057d27057