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Oregon's Forest Atlas 2010 online edition
Gradient Nearest Neighbor (GNN) Mask
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Map for download and viewing
Map of Oregon forest data using only Gradient Nearest Neighbor data collected by the USFS
This map depicts Oregon’s forest coverage using only data collected in Gradient Nearest Neighbor (GNN) methodology. Source for the data is the US Forest Service PNW Research Station, LEMMA Laboratory in Corvallis.
JPG version of the map - ( 2 Mb file)
Data description for this map 

Important information about Forest Atlas map products
Data for the Forest Atlas was compiled by staff with the Oregon Department of Forestry in 2010 using data generated by the U.S. Forest Service PNW Research Station in Corvallis, Oregon State University and the Oregon Department of Forestry.
This product is for informational purposes, and may not be suitable for legal, engineering or surveying purposes. This information or data is provided with the understanding that conclusions drawn from such information are the responsibility of the user.

Data contained within the map products does not necessarily reflect conditions at a fine-detail level. Some data models rely on site information at least one year old. All information published herein is gathered from sources which are thought to be reliable, but the reader should not assume that the information is official or final, especially for the purposes of land use determination. The Oregon Department of Forestry does not assume responsibility for errors, and all research information contained within the website is subject to change without notice.
Additional information is contained in the liability notice 

Oregon's Forest Atlas main page 
2010 Forest Assessment and Resource Strategy project information
Additional questions about the Forest Atlas project can be addressed to the ODF Agency Affairs Office