TY - BOOK AU - Gannett,Marshall W. AU - Caldwell,Rodney R. ED - U.S. Geological Survey TI - Geologic framework of the Willamette Lowland Aquifer system, Oregon and Washington: regional aquifer-system analysis--Puget-Willamette Lowland SN - 0607906324 PY - 1998/// CY - Washington, DC, Denver, CO PB - U.S. G.P.O., For sale by U.S. Geological Survey, Information Services KW - Groundwater KW - Oregon KW - Willamette River Valley Region KW - Washington (State) KW - Puget Sound Region KW - Aquifers N1 - Eight folded col. maps in pocket; Issued in a portfolio; Includes bibliographical references (p. 30-32) ER -