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*Ice reporting
6
*North Atlantic Ocean
6
*Oceanographic data
6
Aerial reconnaissance
6
Coast Guard
6
Depth
6
Ice islands
6
Icebergs
6
Labrador Sea
6
Ocean currents
6
Patrol craft
6
Physical and Dynamic Oceanography
6
Salinity
Sea ice
6
Tables(Data)
6
Ice and Permafrost
4
Snow
4
Surface temperature
4
Chlorinity
2
Temperature
2
International ice patrol 1953
1
International ice patrol 1954
1
International ice patrol 1955
1
International ice patrol 1956
1
International ice patrol 1960
1
International ice patrol 1961
1
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