01005cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040004000111042001200151050002100163110003100184245009900215260005500314300007100369490004500440500009500485504003100580650003700611700004300648700001900691700002900710gs 21000128 DLC20260227111325.0790712s1920    couab    b   s000 0 eng c  ags 21000128   a(OCoLC)5163409  aU.S. Geol. Survey. Libr.cMiDWdDLC  apremarc00aQE91b.A4 no. 232 aColorado Geological Survey10aSome anticlines of Routt county, Colorado,cby R. D. Crawford, K. M. Willson and V. C. Perini.  aDenver, Col.,bEames bros., state printers,c1920.  a59 p. 1 l.bincl. illus., tables, maps (3 fold. in pocket)c23 cm.0 aColorado. Geological survey. Bulletin 23  aAt head of title:  Colorado Geological survey, Boulder.  R. D. George, state geologist ...  aBibliographical footnotes. 0aGeologyzColoradozRoutt County.1 aCrawford, R. D.q(Ralph Dixon),d1873-1 aWillson, K. M.1 aPerini, Vincent Charles.