Wilderness areas Recreational use Wilderness areas Management Wilderness area users Wilderness area users Attitudes Wilderness areas Recreational use Management Camp sites, facilities, etc Outdoor recreation Management Recreational surveys Wilderness areas Boundary Waters Canoe Area (Minn.) Desolation Wilderness (Calif.) Hiking Recreation areas Public use Management Shining Rock Wilderness (N.C.) Wilderness areas Environmental aspects Camp sites, facilities, etc. Environmental aspects Camp sites, facilities, etc. Public use Camping Environmental aspects Measurement Conflict management Eagle Cap Wilderness (Or.) Ecosystem management Erosion Forest reserves Recreational use Forest reserves Recreational use Computer simulation National parks and reserves Public use Forecasting Natural areas Management Planning Natural areas Recreational use Computer simulation Nature Effect of human beings on Nature conservation Pack transportation Environmental aspects