Subject
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San Juan Basin (N.M. and Colo.)
1
Sediments (Geology)
1
Seismic prospecting
1
Seismic reflection method
1
Steuben County (N.Y.)
1
Streamflow
2
Strip mining Environmental aspects
2
Texas
1
Water balance (Hydrology)
1
Water chemistry
5
Water conservation
1
Water consumption
1
Water levels
4
Water quality
9
Water quality Measurement
1
Water resources development
1
Water table
10
Water table Measurement
1
Water use
1
Water-supply
4
Water-supply, Agricultural
1
Wells
2