00887cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040004600111050002200157051002700179100003500206245009900241260002300340300002200363490003600385504002400421650003800445650002600483650004200509650001500551810005500566gs 66000238 DLC20260227111419.0830504s1966    dcu      b   f000 0 eng c  ags 66000238   a(OCoLC)9480003  aU.S. Geol. Survey. Libr.cCNoSdCNoSdDLC00aQE75b.C5 no. 530  aTN271.P4bM28cCopy 2.1 aMcCulloh, Thane Hubert,d1926-10aGravimetric effects of petroleum accumulations;ba preliminary summary,cby Thane H. McCulloh.  aWashington,c1966.  aiii, 4 p.c27 cm.1 aGeological Survey circularv530  aBibliography: p. 4. 0aProspectingxGeophysical methods. 0aGravityxMeasurement. 0aGravimeters (Geophysical instruments) 0aPetroleum.1 aUnited States.bGeological Survey.tCircularv530.