Charles Alexander Sheldon was an American conservationist and the "Father of Denali National Park". He had a special interest in the bighorn sheep and spent time hunting with the Seri Indians in Sonora, Mexico, who knew him as Maricaana Caamla. Another favorite haunt was the lakes and rivers which later became Kejimkujik National Park in Nova Scotia where Sheldon built a cabin at Beaverskin Lake.