Badlands National Park in South Dakota. Authorized as Badlands National Monument on March 4, 1929, President Franklin Roosevelt issued a proclamation on January 25, 1939 that established Badlands National Monument. In the late 60's, Congress passed legislation adding more than 130,000 acres of Oglala Sioux tribal land, used since World War II as a U.S. Air Force bombing and gunnery range, to the Badlands to be managed by the National Pakr Service. An agreement between the Oglala Sioux Tribe and the National Park Service governing the management of these lands was signed in 1976. The new Stronghold and Palmer Creek units added lands having significant scenic, scientific and cultural resources. Congress again focused it's attention on the Badlands in 1978 on 10 November, it was redesignated as Badlands National Park. Badlands National Park contains the world's richest Oligocene epoch fossil beds, dating 23 to 35 million years old. The evolution of mammal species such as the horse, sheep, rhinoceros and pig can be studied in the Badlands formations. This park also contains and shares National Grasslands areas.
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From South Dakota