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Showing 1 to 2 of 2 for “"national park policy"”.

  1. Park Visitors and the Natural Soundscape: Winter Experience Dimensions in Yellowstone National Park

    Saxen, Shelley Walker

    … becoming increasingly recognized as a threatened park resource. A variety of policies, laws, and regulations have rapidly been established that affect the National Park Service mandate and require the agency and individual parks to protect, preserve, and restore natural sounds. National Parks are …

    montana-tech Repository record

  2. Park Visitors and the Natural Soundscape: Winter Experience Dimensions in Yellowstone National Park

    Saxen, Shelley Walker

    … becoming increasingly recognized as a threatened park resource. A variety of policies, laws, and regulations have rapidly been established that affect the National Park Service mandate and require the agency and individual parks to protect, preserve, and restore natural sounds. National Parks are …

    montana Repository record