Theodore Roosevelt's Elkhorn Ranch and Greater Elkhorn Ranchlands - Credit: Wikimedia Commons
The Elkhorn Ranch was established by Theodore Roosevelt on the banks of the Little Missouri River 35 miles north of Medora, North Dakota in the summer of 1884. Roosevelt hired Bill SewallEdward Wiggin in his History of Aroostook (1886) tells that Wm. W. Sewall "has for years been a friend and companion of Theodore Roosevelt of New York, who formerly came to Island Falls every summer for a few weeks' outing. A few years ago Mr. Sewall went with Mr. Roosevelt to Dakota and for two years took charge of a large cattle ranch for that gentleman (p. 211). Read more on Wikipedia
Source: en.wikipedia.org