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Outdoor Recreation Today and Tomorrow
Outdoor Museums The National Park Service
Public Use of Private Lands
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activities administered Aldo Leopold American beaches birds boating Bureau of Land Bureau of Outdoor California campers campground camping chlorine Congress conservation Corps of Engineers dams Department employees enforcement environment environmental established federal agencies fish and game Fish and Wildlife Forest Service funds habitat Interior John Muir kilometers lakes Land Management maintenance Mather meters mountain national forests National Park Service national recreation natural environment natural resources operations ORRRC Park Service photo park system Parks and Recreation patrol percent picnic population preservation programs protection public lands recre recreation areas recreation facilities recreation opportunities recreation vehicles region regulations rivers roads Save-the-Redwoods League scenic soil swimming technician Tennessee Valley Authority timber toilet trails U.S. Fish U.S. Forest Service United States Forest urban vehicles visitation visitors wild wilderness Wilderness Act wildlife Wildlife Refuge Wildlife Service Yellowstone Yellowstone National Park Yosemite