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.

ARC/INFO export format (about 2.8 Mb in gzip tar format)

ArcView Shape format (about 4.1 Mb in gzip tar format)

Spatial Data Transfer Standard (SDTS) format (about 2.5 Mb in gzip tar format)

Metadata documentation for origin, extent, and thickness of Quaternary geologic units in the Willamette Valley, Oregon

GIS data layers for generalized faults in 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.

ARC/INFO export format (about 26 Kb in gzip tar format)

ArcView Shape format (about 17 Kb in gzip tar format)

Spatial Data Transfer Standard (SDTS) format (about 40 Kb in gzip tar format)

Metadata documentation for origin, extent, and thickness of Quaternary geologic units in the Willamette Valley, Oregon

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