00738cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050002100142050001400163100004400177245010200221260002600323300003000349410004700379500002400426650002900450999001700479gs 25000033 DLC20260227111329.0760412s1924    coua          000 0 eng    ags 25000033   a(OCoLC)2107185  aDLCcTxEUdDLC  apremarc00aQE91b.A4 no. 2000aQE91b.T61 aToepelman, W. C.q(Walter Carl),d1894-10aPreliminary notes on the revision of the geological map of eastern Colorado,cby W. C. Toepelman.  aBoulder, Col.,c1924.  a21 p.bfold. map.c23 cm.20aColorado Geological Survey.tBulletin,v20  aMap on loose sheet. 0aGeologyzColoradovMaps.  c26358d26358