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- Map label: WASHINGTON WEST DISTRICT OF COLUMBIADC- 77 0 0 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 (315978.900000, 4318716.700000) NE (326804.700000, 4318471.400000)
- SW (315655.400000, 4304843.700000) SE (326500.200000, 4304598.600000)
- Accuracy code: 1
- Spatial Resolution: 30.000000, 30.000000, 1.000000
- [15] map size is 1 x 372
- Using vertical exaggeration of: 1.000000
- number of rows 471, number of columns 372
-