Great Divide Basin
The Great Divide Basin is located in south central Wyoming in the United States. The basin is a natural anticline in the surface of the land. The Continental Divide splits in two and then reconnects, with the end result being an area where all precipitation either sinks into the soil or evaporates. Though not without some grasses, occasional shrub, and even small trees in some ravines, the land has numerous sand dunes and alkali flats due to a combination of low precipitation and a high evaporation rate. The land area of the basin is 2.5 million acres (10,000 km²). Many birds are found in the basin, such as the Sage Grouse and pheasant. Mammals include pronghorn antelope, Mule Deer, wild or feral horses, and the occasional elk. No major towns or cities are located in the basin, which has a human population of less than 500. Interstate highway 80 bisects the basin east to west.
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