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Oregon Geospatial Data Clearinghouse


GIS Services and Tools 

The Oregon Spatial Data Library provides easy and convenient ways to find, access and share geospatial data. This data is also accessible through the Spatial Data Alphalist.
Metadata is provided and files are available in a variety of formats. Many have graphic previews. The library includes Orthoimagery and scanned USGS quads.
Subscribe to the GEO Data RSS feed to receive updates when data is added or changed in the Spatial Data Library.
A digital orthophoto quadrangle (DOQ) is a computer-generated image of an aerial photograph in which image displacement caused by terrain relief and camera tilt has been removed. It combines the image characteristics of a photograph with the geometric qualities of a map. Get DOQs
Digital Elevation Model (DEM) files consist of a sampled array of elevations for a number of ground positions at regularly spaced intervals. DEMs are made available in: "raw" source (ascii) files. DEM Data Acquisition

Geospatial Enterprise Office

The spatial data hosted at this web site were derived from a variety of sources. Care was taken in the creation of these themes, but they are provided "as is." The Oregon Geospatial Data Clearinghouse (OGDC), the State of Oregon or any of the data providers cannot accept any responsibility for errors, omissions, or positional accuracy in the digital data or underlying records. There are no warranties, expressed or implied, including the warranty of merchantability or fitness for a particular purpose, accompanying any of these products.  Notification of any errors would be appreciated please e-mail: GIS Data Administrator.

OGIC Disclaimer Policy (pdf)