proj:       0
zone:       0
north:      5530000
south:      5275000
east:       4631000
west:       4186000
cols:       890
rows:       510
e-w resol:  500
n-s resol:  500
top:        3000
bottom:     0
cols3:      890
rows3:      510
depths:     6
e-w resol3: 500
n-s resol3: 500
t-b resol:  500
