Metadata: 1:250,000-scale USGS Shaded Relief grid

Source: Derived from the DEM 'dem250k'. See USGS_250DEM metadata.

Arc: describe hlshd250k
                         Description of Grid hlshd250k

Cell Size =              67.376         Data Type:                   Integer
Number of Rows    =        3496           Number of Values =             252
Number of Columns =        2876           Attribute Data (bytes) =         8

           BOUNDARY                                STATISTICS

Xmin =               458093.594         Minimum Value =                0.000
Xmax =               651866.170         Maximum Value =              254.000
Ymin =              4750430.500         Mean          =              178.754
Ymax =              4985976.024         Standard Deviation =          15.101

                          COORDINATE SYSTEM DESCRIPTION

Projection                  UTM
Zone                         18
Datum                     NAD83
Units                    METERS             Spheroid                GRS1980
Parameters: