Captain Lewis magnanimously objected to receiving more land for his services than that given to Captain Clark.
Captain Lewis resigned from the army, March 2, 1807, having been nominated to be Governor of Louisiana Territory a few days before.

His commission as Governor was dated March 3 of that year.

He was thus made the Governor of all the territory of the United States west of the Mississippi River.

About the same time, Captain Clark was appointed a general of the territorial militia and Indian agent for that department.
Originally, the territory acquired from France was divided into the District of New Orleans and the District of Louisiana, the first-named being the lower portion of the territory and bounded on the north by a line which now represents the northern boundary of the State of Louisiana; and all above that line was known as the District of Louisiana.

In 1812, the upper part, or Louisiana, was named the Territory of Missouri, and Captain Clark (otherwise General), was appointed Governor of the Territory, July 1, 1813, his old friend and comrade having died a few years earlier.
The end of Captain (otherwise Governor) Lewis was tragical and was shadowed by a cloud.