Map label: FORT IRWIN, CA                               (* QUAD NAME *)                                                                                    
there were 40 items read from the header
[ 3] planimetric reference system: 1
[ 8] elevation measurement units code: 1
[10] ground coordinates
     NW (522708.996000, 3914460.383000)  NE (534063.372000, 3914496.125000)
     SW (522744.098000, 3900598.093000)  SE (534115.543000, 3900633.889000)
Accuracy code: 0
Spatial Resolution:  30.000000,  30.000000,   1.000000 
[15] map size is 1 x 380
Using vertical exaggeration of: 1.000000
number of rows 464, number of columns 380