Ray E. Wells R. W. Givler 2001 This Open-File Report is released as a digital map database. It includes PostScript plot files that contain images of the map sheets; the images also contain a brief explanation describing the geology and physiography of the study area. The digital map database is a compilation of newly published 10-m digital-elevation-model (DEM) data for western Oregon and represents the physiography of the Willamette Valley. application/pdf 10.3133/ofr01294 en U.S. Geological Survey Shaded-relief and color shaded-relief maps of the Willamette Valley, Oregon reports