Subject
Groundwater
Aquifers
17
Geology
9
High Plains Aquifer
5
Water table
5
Hydrogeology
3
Hydrology
3
Water quality
3
Floridan Aquifer
2
Gila River Watershed (N.M. and Ariz.)
2
Water chemistry
2
Water-supply
2
Apache County (Ariz.)
1
Aquifers Mathematical models
1
Artesian wells
1
Black Mesa (Navajo County and Apache County, Ariz.)
1
Corning (N.Y.)
1
Duval County (Fla.)
1
Geology, Structural
1
Geothermal resources
1
Navajo County (Ariz.)
1
Saltwater encroachment
1
Southwest Florida Water Management District (Fla.)
1
Sparta Aquifer (Ark. and La.)
1
Springs
1
Steuben County (N.Y.)
1
Tutuila Island (American Samoa)
1
Verde River Watershed (Ariz.)
1