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13 HYDRO ENERGY
3
54 ENVIRONMENTAL SCIENCES
ANIMALS
3
BIRDS
3
FEDERAL REGION VIII
3
FOWL
3
GEESE
3
HYDROELECTRIC POWER PLANTS
3
MONTANA
3
NORTH AMERICA
3
POWER PLANTS
3
REPRODUCTION
3
USA
3
VERTEBRATES
3
DAMS
2
ENVIRONMENTAL EFFECTS
2
HABITAT
2
SURFACE WATERS
2
WATER RESERVOIRS
2
COLUMBIA RIVER BASIN
1
ENVIRONMENTAL IMPACTS
1
LAKES
1
MITIGATION
1
MORTALITY
1
NESTS
1
RECOMMENDATIONS
1
WILD ANIMALS
1
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