Map from National Park Service
United States. National Park Service. "Isle Royale National Park (U.S. National Park Service)." National Parks Service. U.S. Department of the Interior, Web. 13 May 2014.
Map from Isle Royale Info Site
"Isle Royale Info - A Comprehensive Guide." Isle Royale Info - A Comprehensive Guide. Web. 13 May 2014.
Wolves of Isle Royale
"Isolated Wolves of Isle Royale in Peril." StarTribune.com: News, Weather, Sports from Minneapolis, St. Paul and Minnesota. Web. 21 May 2014.
"Coldest Winter in Decades Could Help Isle Royale Wolves." Statewide. Minnesota Public Radio, 12 Feb. 2014. Web. 27 Jan. 2016.