Jackson Hole Preserve

Jackson Hole Preserve, Incorporated is non-profit conservation organization whose primary mission is the conservation ethic applied to natural areas. 
History.
The Jackson Hole Preserve organization was founded in 1940 by Laurance Rockefeller. In 1943 it protected land, now in Grand Teton National Park, as a nature preserve originally known as the Jackson Hole Preserve and later the Jackson Hole Wildlife Park.
Laurance Rockefeller also purchased and donated of land on Saint John island in the United States Virgin Islands, to the U.S. National Park Service to create Virgin Islands National Park.