01904nam 2200493 450 991070771280332120161121153351.0(CKB)5470000002467424(OCoLC)963864030(EXLCZ)99547000000246742420161121d1977 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEocene rocks in northeast Washington--radiometric ages and correlation the genetic relations among numerous patches of volcanic rocks /by R.C. Pearson and J.D. Obradovich[Washington, D.C.] :United States Department of the Interior, Geological Survey,1977.Washington :United States Government Printing Office.1 online resource (iv, 41 pages, 1 page of plates) illustrations, mapsGeological Survey bulletin ;1433Includes bibliographical references (pages 32-34).Eocene rocks in northeast Washington--radiometric ages and correlation Geology, StratigraphicEocenePotassium-argon datingStratigraphic correlationWashington (State)Stratigraphic correlationBritish ColumbiaGeologyWashington (State)GeologyBritish ColumbiaGeology, StratigraphicPotassium-argon dating.Stratigraphic correlationStratigraphic correlationGeologyGeologyPearson Robert Carl1926-1393158Obradovich John D.Geological Survey (U.S.),GPOGPOBOOK9910707712803321Eocene rocks in northeast Washington--radiometric ages and correlation3536930UNINA