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Tri-Basin NRD Political and Hydrological Boundaries
High Plains Ogallala Aquifer
Nebraska Groundwater Level Changes
Gosper County River Basins
Phelps County River Basins
Kearney County River Basins
Overappropriated Area of Platte River
TBNRD Integrated Water Management Area
TBNRD Observation Wells
TBNRD Groundwater Quantity Management Area
TBNRD Groundwater Quality Management Area
TBNRD Groundwater Nitrate Levels
TBNRD Election Sub-Districts (approved October 18, 2011)
TBNRD Improvement Project Areas (IPAs)