Vaccaro J.J. Hydrogeologic framework of the Puget Sound aquifer system,Washington and British Columbia / J.J.Vaccaro,A.J.Hansen,M.A.Jones, 1998. - VII,77 p. p. - Текст : непосредственный.
Woodward D.G. Hydrogeologic framework of the Willamette Lowland Aquifer system, Oregon and Washinton : regional aquifer-system analysis - Puget-Willamette Lowland / D.G.Woodward,M.W.Gannett,J.J.Vaccaro, 1998. - vii,82 p. p. - Текст : непосредственный.
The hydrogeologic framework and geochemistry of the Columbia Plateau aquifer system,Washington,Oregon,and Idaho / K.J.Whiteman,J.J.Vaccaro,J.B.Gonthier,H.H.Bauer, 1994. - 73 p. - Текст : непосредственный.