01841oam 2200505 450 991070834050332120180220162350.0(CKB)4330000001272241(OCoLC)896811598(EXLCZ)99433000000127224120141123d2001 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierOrigin, extent, and thickness of Quaternary geologic units in the Willamette Valley, Oregon /by Jim E. O'Connor [and four others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2001.1 online resource (iv, 52 pages) illustrations (some color), color mapsU.S. Geological Survey professional paper ;1620Prepared in cooperation with Oregon Water Resources Department.Includes bibliographical references (pages 37-40).GeologyOregonWillamette River ValleyGeology, StratigraphicQuaternaryGeologyfastGeology, StratigraphicfastQuaternary Geologic PeriodfastOregonWillamette River ValleyfastGeologyGeology, StratigraphicGeology.Geology, Stratigraphic.Quaternary Geologic Period.O'Connor Jim E.1959-1383114Geological Survey (U.S.),Oregon.Water Resources Department.COPCOPOCLCOOCLCFGPOBOOK9910708340503321Origin, extent, and thickness of Quaternary geologic units in the Willamette Valley, Oregon3513737UNINA