Detailed ecosystem map of Greater Platte River Basins

Map showing Ecosystems of the Greater Platte River Basins with general areas targeted for study: South Platte River area is classified as High Plains Ecoregion (mixed grass, short grass, and sandsage prairie), Niobrara River area is classified as Northwestern Great Plains Ecoregion (pine woodlands, eastern red cedar, deciduous woodlands, mixed grass and Sand Hills prairie). 

(Ecoregion boundries and descriptions are from the U.S. Environmental Protection Agency: "Level III and IV Ecoregions of the Continental United States" https://www.epa.gov/eco-research/level-iii-and-iv-ecoregions-continental-united-states;  and "Level III and IV Ecoregions by State" https://www.epa.gov/eco-research/level-iii-and-iv-ecoregions-state)