01131cam a22002771i 4500001001300000003000400013005001700017008004100034010001700075035001900092040003200111042001200143050002200155082002000177100005500197245015700252260004900409300008500458410005700543500008700600504002900687650003500716650004600751700003900797999001700836gs 38000291 DLC20260227111343.0780303s1938    dcuabdf  b   f000 0 eng    ags 38000291   a(OCoLC)3686637  aDLCcOClUdOClUdOCoLCdDLC  apremarc00aQE75b.P9 no. 188  a(200)qP no. 1881 aGregory, Herbert E.q(Herbert Ernest),d1869-1952.14aThe San Juan country ;ba geographic and geologic reconnaissance of southeastern Utah /cby Herbert E. Gregory, with contributions by Malcolm R. Thorpe.  aWashington :bU.S. Govt. Print. Off.,c1938.  a123 p. :bincl. ill., tables. 26 pl. (incl. fold. maps, fold. diagrs.) ;c29 cm.20aGeological Survey (U.S.).tProfessional paper ;v188  aAt head of title : United States Department of the Interior ... Geological Survey.  aBibliographic footnotes. 0aGeologyzUtahzSan Juan County 0aPhysical geographyzUtahzSan Juan County1 aThorpe, Malcolm Rutherford,d1891-  c27498d27498