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What Is Wilderness?
An American Happening
The Cultural Heritage in Wilderness
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acres administration agency Aldo Leopold American animals areas designated back country beauty birds boundaries Canoe Canyon citizen civilization Congress conservation conservationists East Meadow ecological ecosystem environment established federal fish Forest Service Glacier grizzly habitat hearings hikers hiking human hunters hunting Indian insects Interior Joyce Kilmer lakes Leopold living logging man's Marshall million acres mineral mining Monongahela National Forest mountain Muir national forest wilderness National Park Service National Wilderness Preservation national wildlife refuges natural areas ness North Pinchot plants pollution President primeval primitive areas proposed protection recommendations recreation regulations River road rock scenic Secretary of Agriculture Senate Sierra Club Smokies soil species streams Superior National Forest swamp Thoreau timber tion trails trees United valleys visitors wild areas Wilderness Act wilderness areas wilderness character Wilderness Preservation System Wilderness Society wilderness system wilderness values wrote Yellowstone Yosemite