FRAM IV. Smooth  ice
N J A
10 20 2 0
9
-3 0 0 0 0 0 0
-3 3500 1750 0 0 0.9 0
0 1431 0 0 0 1 0
1 1431 -1443 0 0 1 0
85 1443 -1460 0 0 1 0
200 1460 -1462 0 0 1 0
330 1462 -1466 0 0 1 0
1225 1466 -1508 0 0 1 0
3800 1508 0 1.0 0 1 0
30
25 500 20 20
1410 1530
-1 1 2000

300 400 20 10
90 120 12 5