Selawik National Wildlife Refuge Land Cover; USGS, Alaska

The Selawik National Wildlife Refuge USGS digital data set contains land cover classifications for the Selawik National Wildlife Refuge. The data is derived from Landsat MSS data and elevations as well as slope and aspect data derived from DEM data. Data can keyed to a U.S. Geological Survey 1:250,000 quadrangle. Spatial referencing is by 50-meter grid cells. Data sources are Landsat MSS data and Digital Elevation Model (DEM) data. The data set includes 101 records. Storage required varies by storage medium and selected area. The file structure is sequential. Data are available online The data is organized by 7 1/2 ' or 15 ' quads.