GIS DATA FOR THE WILLAMETTE BASIN, OREGON

This page contains links to GIS data contained on a CD that accompanies the report "Ground-Water and Water-Chemistry Data for the Willamette Basin, Oregon," U.S. Geological Survey Water-Resources Investigations Report 99-4036, by Leonard L. Orzol, Karl C. Wozniak, Tiffany R. Meissner, and Douglas B. Lee. The report is a product of the Willamette Basin Ground-Water Study, which is a cooperative effort of the Oregon Water Resources Department and the U.S. Geological Survey Oregon District office in Portland.

GIS files listing the locations of 1,240 wells and springs visted during the Willamette Basin Ground-Water Study, 1995-98

GIS files listing the locations of 4,753 wells and springs visited during previous studies

GIS data layers for Quaternary geologic units in the Willamette Basin, Oregon:

From: O'Connor, J.E., Sarna-Wojcicki, A.M., Wozniak, K.C., Polette, D.J., and Fleck, R.J., 2001, Origin, extent, and thickness of Quaternary geologic units in the Willamette Valley, Oregon: U.S. Geological Survey Professional Paper 1620

GIS data layers for generalized geologic units of the Willamette Lowland, Oregon and Washington:

From: Gannett, M.W. and Caldwell, R.R., 1998, Geologic Framework of the Willamette Lowland Aquifer System, Oregon and Washington: U.S. Geological Survey Professional Paper 1424-A, 32 p.

GIS data layers for geologic units of the Willamette Basin, Oregon:

From: Walker, G.W., and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000, 2 sheets

Report: Ground-Water and Water-Chemistry Data for the Willamette Basin, Oregon
Willamette Basin Ground-Water Study Home Page
Oregon District Home Page