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1. 100-Meter Resolution Tree Canopy of the Conterminous United States, 2001

2007. Geological Survey (U.S.). This raster layer is a georeferenced image containing tree canopy data for the conterminous United States, in an Albers Equal-Area Conic projection... Geological Survey (U.S.).

2. United States National Atlas Cities, 1972-2004

2007. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This point shapefile represents cities and towns in the United States at 1:2,000,000 scale. This layer is part of the 2014 ESRI Data and Maps colle... Environmental Systems Research Institute (Redlands, Calif.).