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DRAINAGE
2
Hydrology
2
Limnology and Potamology
2
PERMAFROST
2
RIVERS
2
(*HYDROLOGY
1
*ALASKA
1
*ALASKA)
1
*HYDROLOGY
1
*WATER SUPPLIES
1
*WATERSHEDS
1
CLIMATE
1
EVAPOTRANSPIRATION
1
FAIRBANKS(ALASKA)
1
FLOODS
1
GEOGRAPHY
1
GRAPHICS
1
RAINFALL
1
SEDIMENTATION
1
SOILS
1
SURFACE PROPERTIES
1
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