Subject
Groundwater
Geology
7
Texas
5
Aquifers
4
Water-supply
3
Wells
3
Water chemistry
2
Coal mines and mining Environmental aspects
1
Digital mapping
1
Edwards Aquifer (Tex.)
1
Geophysical well logging
1
Georgetown Region (Tex.)
1
Groundwater Mathematical models
1
High Plains Aquifer
1
Radiocarbon dating
1
Rio Grande Watershed (Colo.-Mexico and Tex.)
1
Saltwater encroachment
1
Streamflow
1
Water Analysis
1
Water quality
1
Watersheds
1