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Legend (BaseLayers/USGS_Hydrogeology)

Hydrogeology (0)
Andesitic Volcanic Flows Andesitic Volcanic Flows
Basaltic Volcanic Flows Basaltic Volcanic Flows
Rhyolitic Volcanic Flows Rhyolitic Volcanic Flows
Carbonate Rocks and Mixture of Clastic and Carbonate Rocks Carbonate Rocks and Mixture of Clastic and Carbonate Rocks
Clastic Sandstones and Siltstones Clastic Sandstones and Siltstones
Tertiary Fine-Grained Semiconsolidated Sediments Tertiary Fine-Grained Semiconsolidated Sediments
Intrusive and Metamorphic Rocks Intrusive and Metamorphic Rocks
Volcanic Breccias/Welded Tuffs/Old Volcanics Volcanic Breccias/Welded Tuffs/Old Volcanics
Alluvial Slope Alluvial Slope
Fluvial Deposits Fluvial Deposits
Playa Playa
Valley Floor Valley Floor
Water Water