Theme: Terrain Slope (in degrees) Cover Name: elev_slp Degrees of slope was computed from the Defense Mapping Agency digital elevation models (DEMs). These DEM's were created from 1:250,000 USGS topographic quadrangles and were obtained from the EROS Alaska Field office, USGS. Description of Grid /OD/GLBA_CD/DATA/TONGASS/PHYSICAL/ELEV_SLP Cell Size = 100.000 Data Type: Integer Number of Rows = 4514 Number of Values = 88 Number of Columns = 5370 Attribute Data (bytes) = 8 BOUNDARY STATISTICS Xmin = 126779.343 Minimum Value = 0.000 Xmax = 663779.343 Maximum Value = 87.000 Ymin = 6215002.257 Mean = 16.090 Ymax = 6666402.257 Standard Deviation = 12.231 COORDINATE SYSTEM DESCRIPTION Projection UTM Zone 8 Units METERS Spheroid CLARKE1866 Parameters: