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Pacific Northwest Forest Inventory and Analysis
"PNW-FIA has been in operation under various program names (Forest Survey; Inventory and Economics; Inventory, monitoring and Evaluation) for some 70 years. The program is implemented in cooperation with a variety of partners including state forestry agencies and private landowners who grant access to their lands for data collection purposes."
USFS National Forest Inventory
The Forest Inventory and Analysis (FIA) Program of the U.S. Forest Service provides the information needed to assess America's forests.
Maps and Imagery
Combines the National Atlas of the United States with The National Map to provide a single source for geospatial and cartographic information.
Oregon's Forest Atlas
Maps developed for the Forest Atlas use Geographic Information Systems (GIS) data obtained by the U.S. Forest Service PNW Research Station, data from Oregon State University and data gathered and maintained by the Oregon Department of Forestry. An earlier version of this, "An Atlas of Oregon's Forests" with static maps only can be found at http://18.104.22.168/gis/gisatlas.html
Aerial Coverage of Oregon's National Forests
This is a guide to the aerial photos covering the national forests in Oregon at the University of Oregon Map Library.