In 1898, he sold his flock and went to Alaska, where he became a millionaire selling machinery to miners participating in the Klondike Gold Rush.
Later, he returned to Montana and sheep ranching. In 1910, he own about 300,000 head of sheep and was reputed to have the largest sheep operation in North America. The original Bair homestead is located in what is now downtown Billings, Montana. A theater, originally named the Fox Theater, was renamed in honor of his daughter Alberta in 1987.
He died in 1943. His family home in Martinsdale is now a museum. A trust fund was set up in his name by daughters, Marguerite and Alberta. Part of the trust is used to fund scholarships for high school graduates of Meagher or Wheatland Counties.