U.S. Dept. of Agriculture, Forest Service, Alaska Region, Tongass National Forest, Chatham Area,
United States. Forest Service.
Tongass National Forest (Alaska). Chatham Area.
United States. National Park Service. Alaska Regional Office.
Tongass National Forest (Agency : U.S.). Chatham Area.
completed under interagency agreement between USDI National Park Service, Alaska Regional Office and USDA Forest Service, Tongass National Forest, Chatham Area.