Bighorn Basin Hydrogeologic Units (Paleozoic Geological Time Period)

Bighorn Basin Hydrogeologic Units (Paleozoic Geological Time Period) Phosphoria aquifer & CU Goose Egg Goose Egg-Phos CU Tensleep aquifer Amsden CU Paleozoic aquifer Madison aquifer Darby aquifer Bighorn aquifer Madison-Bighorn aquifer Gallatin-Gros Vetre CU Flathead aquifer Precambrian basal CU


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