| http://www.w3.org/ns/prov#value | - It has the world's richest fossil beds from the Oligocene epoch, and there is wildlife including bison, bighorn sheep, black-footed ferrets, and swift foxes. ??? ??? ??? Big Bend Texas: Named for a bend of the Rio Grande along the US-Mexico border, this park includes a part of the Chihuahuan Desert.
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