00755cam a22002411i 4500001001300000003000400013005001700017008004100034010001700075035001900092040002800111043001200139050001700151051002600168100002400194245006900218260005300287300005900340490005600399650002200455650001900477999001700496gs 09000437 DLC20260227111309.0790324s1909    dcua         f000 0 eng    ags 09000437   a(OCoLC)4774312  aDLCcOkAdEdICharEdDLC  an-us-mt00aTN805.M9bC2  aTN805.M9bC2cCopy 2.1 aCalvert, William R.10aGeology of the Lewistown coal field, Montana /cby W.R. Calvert.  aWashington :bGovernment Printing Office,c1909.  a83 p. :bill., 5 plates (incl. 2 fold. maps) ;c23 cm.0 aUnited States.  Geological Survey.  Bulletin ;v390 0aGeologyzMontana. 0aCoalzMontana.  c24875d24875