01347cam a2200325   4500001001300000003000400013005001700017008004100034010001700075040004500092043001200137050002300149051001600172082001600188100003200204245019800236260005800434300003400492490006400526500006300590504002600653650004100679650004100720650003900761650004400800700006400844710002900908830006700937999001701004gs 65000397 DLC20260227111418.0700709s1965    arua     b    000 0 eng c  ags 65000397   aU.S. Geological Survey LibrarycDLCdDLC  an-us-ar00aQE87b.A3 no. 20-D  aQE654b.H1600a557.67/08 s1 aHaley, Boyd Raymond,d1922-10aGeological formations penetrated by the Shell Oil Company No. 1 Western Coal and Mining Co. well on the backbone anticline, Sebastian County, Arkansas,cby Boyd R. Haley and Sherwood E. Frezon.  a[Little Rock]bArkansas Geological Commission,c1965.  a17 p.b1 fold. illus.c28 cm.1 aArkansas. Geological Commission. Information circularv20-D  a"Prepared in cooperation with the U.S. Geological Survey."  aBibliography: p. 6-7. 0aGeologyzArkansaszSebastian County. 0aBoringszArkansaszSebastian County. 0aGeology, StratigraphicyPaleozoic. 0aFormations (Geology)zSebastian County.1 aFrezon, Sherwood E.q(Sherwood Earl),d1921-ejoint author.2 aGeological Survey (U.S.) 0aInformation circular (Arkansas Geological Commission) ;v20-D.  c30128d30128