2002. United States. Forest Service and Geological Survey (U.S.). This raster layer portrays general forest cover types for the United States in GeoTIFF format. Data were derived from Advanced Very High Resolution... National Atlas of the United States.
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2004. United States. Forest Service. This polygon shapefile is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.... National Atlas of the United States.
1924. United States. Forest Service. Relief shown by hachures and spot heights.; Description of the national forests of Oregon, directory of Oregon municipal camp grounds, text (16 pan... U.S. Dept. of Agriculture, Forest Service, North Pacific District (Portland, Or).
1916. United States. Forest Service. Willamette meridian.; Relief shown by hachures.; Text about public information, rules and a table of distances on verso. 56 x 54 centimeters No sca... U.S. Forest Service (Portland).
1915. United States. Forest Service. Relief shown by hachures and spot heights.; "Willamette meridian."; Public land (township, range, and section) grid.; Shows alienated land within t... The Service (Washington, D.C).