proj:       1
zone:       20
north:      5289803.93219169
south:      4811041.91491815
east:       763939.63217593
west:       232718.22557781
cols:       531221
rows:       478762
e-w resol:  1.00000077
n-s resol:  1.00000004
top:        0.500000000000000
bottom:     -0.500000000000000
cols3:      531221
rows3:      478762
depths:     1
e-w resol3: 1.00000077
n-s resol3: 1.00000004
t-b resol:  1
