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Alaska
2
Environmental impacts
2
Granular resources extraction
Northern
2
Animal distribution
1
Colville Delta
1
Dredging
1
Effects monitoring
1
Fishes
1
Floods
1
Gravel
1
North Slope Borough
1
Nuiqsut
1
Oil spills on land
1
Oil well drilling
1
Permafrost
1
Prudhoe Bay region
1
Reclamation
1
Revegetation
1
Rivers
1
Roads
1
Thermal protection of permafrost
1
Tundra ecology
1
Wetlands
1
Wildlife habitat
1
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