00981cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040003600111042001200147050002100159100004200180245022600222260006100448300002600509490005000535500005400585650002600639650002800665700001600693700001800709gs 10000299 DLC20260227111310.0800814s1909    laua          000 0 eng c  ags 10000299   a(OCoLC)6619124  aU.S. Geological SurveycTMdDLC  apremarc00aQE117b.A2 no. 81 aHarris, Gilbert Dennison,d1864-1952.10aOil and gas in northwestern Louisiana with special reference to the Caddo field.cBy G.D. Harris, geologist, and I. Perrine and W.E. Hopper, asst. geologists. Made under the direction of the Louisiana experiment stations.  aBaton Rouge,bThe New Advocate, Official Journal,c1909.  a52 p.billus.c23 cm.0 aLouisiana. Geological survey. Bulletinvno. 8  aAt head of title: Bulletin no. 8, Report of 1909. 0aPetroleumzLouisiana. 0aNatural gaszLouisiana.1 aPerrine, I.1 aHopper, W. E.