Subject
Water table
Aquifers
18
Soil compaction
13
Harris-Galveston Coastal Subsidence District (Tex.)
10
Groundwater
5
Edwards Aquifer (Tex.)
2
Groundwater Pollution
2
Hydrogeology
2
Nitrates Environmental aspects
2
Groundwater Composition
1
Groundwater recharge
1
Houston Region (Tex.)
1
Hydrologic models
1
Hydrology
1
Rain and rainfall
1
Subsidences (Earth movements)
1
Water levels
1
Water quality
1
Water-supply
1