Oregon Geospatial Data Clearinghouse |
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SPATIAL DATA LIBRARY
The GEO Spatial Data Library provides GIS datasets, listed alphabetically by theme, for download.
Metadata is provided and files are available
in a variety of formats. Many have graphic previews. The library includes Orthoimagery and scanned USGS quads.
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DIGITAL ORTHOPHOTO QUADS
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 FILES
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
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Disclaimer |
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Geospatial Enterprise Office
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The spatial information hosted at this Web site was 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)
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