Location: Home  Softcopy Primary Base Series (PBS) Primary Base Series (PBS) Softcopy Map Softcopy Primary Base Series data are raster images produced from CFF and PBS map sources. Softcopy PBS data are maintained by the Forest Service Geospatial Service and Technology Center. Locate by State or by Forest Service Region Digital Elevation Models (DEMs) and Digital Orthophoto Quadrangles (DOQs) are distributed by the U.S. Geological Survey. Visit the USGS distribution site at http://EarthExplorer.usgs.gov National Forest Type Dataset This geospatial dataset was created by the USFS Forest Inventory and Analysis (FIA) program and the Remote Sensing Applications Center ( RSAC) to show the extent, distribution, and forest type composition of the nation’s forests. Chugach National Forest CD Updates Interactive CD updates - data files for the 2003 CD National Forest Biomass Dataset This geospatial dataset was created by the USFS Forest Inventory and Analysis (FIA) program and the Remote Sensing Applications Center (RSAC) to show the extent and distribution of forest biomass across the Lower 48 States and Alaska. Caribbean Island Land Cover Maps of land use, vegetation type , land cover and forest type for several Caribbean islands used satellite imagery. These raster data, as well as some maps, are downloadable here and include the following: Puerto Rico and its outlying islands of Vieques, Culebra, and Mona; the U.S. and British Virgin Islands; and five islands of the Lesser Antilles: St. Kitts, Nevis, St. Eustatius, Grenada and Barbados.