01052cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040004600111042001200157050002200169100003500191245011300226260002300339300003100362490003500393500015100428504002800579650002500607650003800632650004200670810004500712999001700757gs 66000254 DLC20260227111419.0830504s1966    dcua     b   f000 0 eng c  ags 66000254   a(OCoLC)9480039  aU.S. Geol. Survey. Libr.cCNoSdCNoSdDLC  apremarc00aQE75b.C5 no. 5311 aMcCulloh, Thane Hubert,d1926-14aThe promise of precise borehole gravimetry in petroleum exploration and exploitation,cby Thane H. McCulloh.  aWashington,c1966.  aiii, 12 p.billus.c27 cm.1 aGeological Survey circular 531  a"A paper presented at the Third Symposium on the Development of Petroleum Resources of Asia and the Far East, ECAFE, Tokyo, Japan, November 1965."  aBibliography: p. 11-12. 0aPetroleumxResearch. 0aProspectingxGeophysical methods. 0aGravimeters (Geophysical instruments)2 aGeological Survey (U.S.).tCircular 531.  c30241d30241