Oklahoma, constituent state of the U.S. It borders Colorado and Kansas to the north, Missouri and Arkansas to the east, Texas to the south and west, and New Mexico to the west of its Panhandle region. Oklahoma was admitted as the 46th state of the union
This discharge, which amounts to roughly 37 million m3 yr−1, reaches the surface via springs, seeps, sinkhole lakes and extensive wetlands formed in gypsum bedrock on the west side of the Pecos River floodplain. These aquatic habitats contain many range-restricted taxa, including ...