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Digital Elevation Models (DEM)
Digital Elevation Models (DEMs) were collected from the US Geological Survey (USGS), the US Forest Service (USFS), and the Bureau of Land Management (BLM), and are distributed in conjunction with the Baseline97 effort for Oregon. DEMs are made available in: "raw" source (ascii) files.  All files are zipped using Info-ZIP.  

To obtain DEMs from the GEO FTP site, please click below and follow the links to the block and letter of the quad(s) you are interested in obtaining:
DEM Source (Ascii) File FTP
Replacement DEMS FTP can be obtained for any DEMs which either failed or were replaced with an improved version of the file.
DEM Metadata (pdf)
The "Read Me"  File (pdf)