Proper noun
the Atascosa River in Texas.
An unincorporated community in Bexar County, Texas, United States.
Source: en.wiktionary.orgA photograph of a female ocelot was taken by a remote camera at Laguna Atascosa National Wildlife Refuge. Source: Internet
That is not necessarily true, says Rene Pena, the district attorney for a five-county jurisdiction in the center of the Eagle Ford Shale drilling area — Atascosa, Frio, Karnes, Wilson and LaSalle. Source: Internet