There are currently and over 800 wilderness areas spread across 111 million acres in 44 states as well as Puerto Rico.
A wilderness can be located in either a national park or a national forest, such as the John Muir Conservancy in the Inyo National Forest or even the Shenandoah Wilderness within Shenandoah National Park. A wilderness within of other federally controlled property may ban certain activities that preserve wilderness characteristic.
The Forest service, Fish and Game Service, National Forests, with National Park Service are indeed the four federal departments responsible for managing the public lands owned and administered by that of the federal government as wilderness areas. Only 54 wilderness areas were a part of a National Wilderness Preservation Program when it first began in 1964.
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