1. USGS Thesaurus
Earth > Land > North America > United States > US Aquifers > (aquifer rock types)
Igneous and metamorphic-rock aquifers
aquifer rock type
Subtopics
(none)
See also
Columbia Plateau basaltic-rock aquifers
Hawaiian Sedimentary deposit aquifers
Hawaiian Volcanic-rock aquifers
Pacific Northwest basaltic-rock aquifers
Piedmont and Blue Ridge crystalline-rock aquifers
Snake River Plain basaltic-rock aquifers
Southern Nevada volcanic-rock aquifers
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