Question: Where was the American scout and bison hunter, whom Robert W. Patten claimed to be as historically significant as born? 

Context paragraphs:
Frederick Russell Burnham: Frederick Russell Burnham DSO (May 11, 1861 – September 1, 1947) was an American scout and world-traveling adventurer.  He is known for his service to the British South Africa Company and to the British Army in colonial Africa, and for teaching woodcraft to Robert Baden-Powell in Rhodesia.  He helped inspire the founding of the international Scouting Movement.

Melvin W. and Mary Perry House: The Melvin W. and Mary Perry House is a historic house located at 519 Third Street in Algoma, Wisconsin.  It is historically significant for its association with the life of Melvin W. Perry.

Billy Dixon: William "Billy" Dixon (September 25, 1850 – March 9, 1913) was an American scout and buffalo hunter active in the Texas Panhandle.  He helped found Adobe Walls, fired a legendary buffalo rifle shot at the Second Battle of Adobe Walls, and for his actions at the "Buffalo Wallow Fight" became one of eight civilians ever to receive the U.S. Medal of Honor.

Hunter Island (Ontario): Hunter Island, or Hunters Island, is a large land mass — now known to not be an actual island — which occupies the area between the two most historically significant fur trade waterway routes in northern Ontario, Canada: the Kaministiquia and the Grand Portage.  It is an area of large, remote and windy lakes and is now the southern half of the Quetico Provincial Park.

Robert W. Patten: Robert W. Patten (1832–1913) was a Seattleite from the turn of the 20th century.  Few people in Seattle knew much about his past and he was seen as eccentric because of his lifestyle and outrageous claims.  He lived on a houseboat, walked around town with an umbrella on his head and spent most of his time outdoors.  He claimed to have been a significant historical figure in his own right rating alongside Buffalo Bill and Kit Carson.

Buffalo Bill: William Frederick "Buffalo Bill" Cody (February 26, 1846 – January 10, 1917) was an American scout, bison hunter, and showman.  He was born in Le Claire, Iowa Territory (now the U.S. state of Iowa), but he lived for several years in his father's hometown in Toronto, Ontario, Canada, before the family returned to the Midwest and settled in the Kansas Territory.

Robert W. Mattson Jr.: Robert W. (Bob) Mattson Jr. (born May 31, 1948) is an American lawyer who held elective political office in Minnesota, and is also involved in various business ventures in Florida, Colorado and Canada.  He served one term as Minnesota State Auditor from 1975 to 1979, and was Minnesota State Treasurer from 1983 to 1987.  He is a member of the Democratic–Farmer–Labor Party.  His father was Minnesota Attorney General Robert W. Mattson Sr.

Boy Scout Preserve: Boy Scout Preserve is an 18 acre area of protected land in Pasco County, Florida.  It is adjacent to the Robert K. Rees Memorial Park and the Robert Crown Wilderness Area west of U.S. Highway 19 North at 4230 Green Key Road in New Port Richey, Florida.  The park is open from sunrise to sunset.  It was acquired in 2010 and includes "historically significant fire rings from its days as a former Boy Scouts of America camping ground", according to the Pasco County website.  The preserve also maintains coastal hammock, salt marsh and mangrove swamp habitats for species including roseate spoonbill, white ibis and reddish egret.

Syd Thrift: Sydnor W. Thrift Jr. (February 25, 1929 – September 18, 2006) was an American scout and executive in Major League Baseball who served as the general manager of the Pittsburgh Pirates from 1985 to 1988, and the "de facto" general manager of the Baltimore Orioles from 1999 to 2002.  During a 50-year career in professional baseball, he also spent time as a player, scout, or executive with the New York Yankees, Chicago Cubs, Oakland Athletics, and Kansas City Royals.

Scout Media: Scout Media, formerly The North American Outdoor Group and the North American Membership Group (NAMG), was an American media company, specializing in membership clubs and related magazines.  Since 2007 it has been owned by the Pilot Group, a private equity firm run by Robert W. Pittman.  In 2013, NAMG acquired Scout.com.  NAMG combined with Scout.com to form Scout Media.  Pilot Group lost control of Scout Media to a group of Russian investors.  Scout Media filed for bankruptcy in 2016; it was acquired by CBS Sports Digital in 2017.

Supporting paragraphs: Robert W. Patten Buffalo Bill
Answer: Le Claire, Iowa Territory