00831cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040002700111050002200138100004900160245008700209260004800296300006000344490004100404500005000445500002000495650003700515650002000552999001700572gs 12000336 DLC20260227111313.0760204s1912    dcu          f000 0 eng    ags 12000336   a(OCoLC)1966401  aDLCcIDeKNdOCoLCdDLC00aQE75b.B9 no. 5101 aLee, Willis T.q(Willis Thomas),d1864-1926.00aCoal fields of Grand Mesa and the West Elk Mountains, Colorado,cby Willis T. Lee.  aWashington,bGovernment print. off.,c1912.  a237 p.billus., plates, map (in pocket) diagrs.c24 cm.0 aU.S. Geological survey. Bulletin 510  aAt head of title: Department of the Interior.  aTitle vignette. 0aCoal mines and miningzColorado. 0aCoalzColorado.  c25150d25150