proj:       3
zone:       0
north:      83N
south:      40N
east:       101E
west:       59W
cols:       160
rows:       86
e-w resol:  1
n-s resol:  0:30
top:        7.92
bottom:     0
cols3:      160
rows3:      44
depths:     8
e-w resol3: 1
n-s resol3: 0:58:38.181818
t-b resol:  0.99
