Subject
Groundwater
Water table
Aquifers
32
Floridan Aquifer
9
Water-supply
9
Water withdrawals Environmental aspects
5
High Plains Aquifer
4
Water levels
3
Groundwater flow
2
Water quality
2
Albuquerque Basin (N.M.)
1
Albuquerque Metropolitan Area (N.M.)
1
Central Oklahoma Aquifer (Okla.)
1
Coastal plains
1
Denver Basin
1
Droughts
1
Kabul River Watershed (Afghanistan and Pakistan)
1
Monitoring wells
1
Nitrates Environmental aspects
1
Stream measurements
1
Subsidences (Earth movements)
1
Water consumption
1
Water use
1
Wells
1