01951oam 2200505 450 991070417580332120151123142254.0(CKB)5470000002437904(OCoLC)891592648(OCoLC)888489890(EXLCZ)99547000000243790420140928d1989 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierGround magnetometer surveys over known and suspected breccia pipes on the Coconino Plateau, northwestern Arizona /by Bradley S. Van Gosen and Karen J. Wenrich ; computer graphics by William L. Thoen[Reston, Va.] :Department of the Interior, U.S. Geological Survey,1989.[Washington, D.C.] :United States Government Printing Office.1 online resource (iv, 31 pages) illustrationsBreccia pipes in northern Arizona ;ch. CU.S. Geological Survey bulletin ;1683-CTitle from title screen (viewed Nov. 23, 2015).Includes bibliographical references.Breccia pipesArizonaCoconino CountyMagnetic prospectingArizonaCoconino CountyBreccia pipesfastMagnetic prospectingfastArizonaCoconino CountyfastBreccia pipesMagnetic prospectingBreccia pipes.Magnetic prospecting.Van Gosen B. S(Bradley S.),1960-1380689Wenrich Karen J.Thoen William L.Geological Survey (U.S.),OCLCEOCLCECOPGPOBOOK9910704175803321Ground magnetometer surveys over known and suspected breccia pipes on the Coconino Plateau, northwestern Arizona3486186UNINA