00747cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050002100142100005000163245008300213260004900296300004400345410004700389504002500436650003900461999001700500gs 21000252 DLC20260227111325.0760412s1920    xx            000 0 eng    ags 21000252   a(OCoLC)2107227  aDLCcTxEUdDLC  apremarc00aQE91b.A4 no. 211 aWorcester, Philip G.q(Philip George),d1884-14aThe geology of the Ward region, Boulder County, Colorado,cby P. G. Worcester.  aDenver,bEames bros., state printersc[1920]  a74 p.b2 fold. maps (in pocket)c23 cm.20aColorado Geological Survey.tBulletin,v21  aBibliography: p. 72. 0aGeologyzColoradozBoulder County.  c26101d26101