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*ICE FORMATION
7
Ice and Permafrost
7
RIVERS
7
Snow
7
Hydrology
6
Limnology and Potamology
6
*WATER FLOW
5
BRIDGES
5
DAMAGE
5
COMMUNITIES
4
EMERGENCIES
4
FLOODS
4
HABITATS
4
ROADS
4
STRUCTURES
4
*DATA BASES
3
*ICE JAMS
3
ARMY CORPS OF ENGINEERS
3
CIVIL ENGINEERING
3
COLD REGIONS
3
DAMAGE ASSESSMENT
3
ENGINEERING
3
FLOODING
3
ICE
3
LAKES
3
WINTER
3
*DAMAGE
2
*FLOODING
2
ACCUMULATION
2
ADVERSE CONDITIONS
2
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