He is recognized as being responsible in founding the Biscayne National Park (1968) and the Big Cypress National Preserve (1974), both in Florida.
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From Immokalee, SR 29 travels along the western edge of the Big Cypress National Preserve and the eastern edge of the Florida Panther National Wildlife Refuge and the Fakahatchee Strand Preserve State Forest before reaching its southern terminus at US 41 (Tamiami Trail).