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- Map label: HERNDON VIRGINIA VA- 77 22 30 38 52 30 450 450GPMII/2 04/81
- there were 40 items read from the header
- [ 3] planimetric reference system: 1
- [ 8] elevation measurement units code: 2
- [10] ground coordinates
- NW (283500.600000, 4319542.100000) NE (294326.900000, 4319252.100000)
- SW (283119.900000, 4305668.400000) SE (293965.300000, 4305378.600000)
- Accuracy code: 1
- Spatial Resolution: 30.000000, 30.000000, 1.000000
- [15] map size is 1 x 373
- Using vertical exaggeration of: 1.000000
- number of rows 472, number of columns 373
-