Image sources

Home page-

  • wolf picture: http://inthesetimes.com/article/17650/do-we-need-wolves

Primary Sources page:

  • picture: https://en.wikipedia.org/wiki/History_of_wolves_in_Yellowstone#/media/File:Soldiers_Soda_Butte_Creek-Wolf_Pelt-YNP1905.jpg

Secondary Sources page:

  • Map: http://www.yellowstonewolf.org/yellowstone_wolf_packs_historic_ranges.php