Career
He was the second of five Sublette brothers prominent in the western fur trade. William, Andrew, and Solomon. Sublette injured his leg in an 1826 Indian battle in the American Southwest.
lieutenant was slow to heal and repeatedly became seriously infected.
Later, he rode in a Dearborn wagon, drawn by one mule, as he left the Saint Louis area heading for the west. Later infections, in the leg, led to his early death at Fort John,on the Laramie River, now in Wyoming.
In 1843, Solomon Sublette, while traveling with William Doctorate. Stewart and William L. Sublette"s caravan, took a grave marker to Fort John and placed it on Milton"s grave. Today, Milton"s actual grave site is lost to us, due to the United States Military placing a building over the site of Fort William"s grave yard.
Sublette was reported to be a man of dynamic and attractive personality, with a strong tendency toward impetuous action and speech.
He was called "the Thunderbolt of the Rockies.".