In 1972, the head spring of the river was declared a National Natural Landmark by the U.S. Department of the Interior, and word got out: drive to Fort White and float down the Ichetucknee on an inner tube.
National Natural Landmark - a natural history conservation program of the U.S. Secretary of the Interior
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It is listed as a National Natural Landmark, Important Bird Area and Wisconsin State Natural Area.
Wauconda Bog Nature Preserve, a tamarack bog and a National Natural Landmark located in Wauconda, Illinois