Ground-water resources and simulation of flow in aquifers containing freshwater and seawater, Island County, Washington /

Tacoma, Wash. : [Washington, D.C.?] : Denver, Colo. (Box 25425, Federal Center, Bldg. 810, Denver 80225) : U.S. Geological Survey ; U.S. G.P.O. ; [For sale by] U.S. Geological Survey, Books and Open-File Reports, 1989