Owing to his wealth and his father's previous association with Henry Hastings Sibley, who had earlier served as Governor of Minnesota, Dousman rose quickly in St. Paul's society.
Henry Hastings Sibley (1811–1891), central figure in the founding of Minnesota, first governor, Union general
He moved to Mendota, Minnesota around 1840 and built a house on the property of Henry Hastings Sibley.
Then in 1842 the American Fur Company declared bankruptcy, and in order to continue in the trade Rolette entered into a joint venture with Dousman, Henry Hastings Sibley, and Pierre Chouteau to organize a new company which would take its place on the upper Mississippi.
Henry VIII of England | Henry VIII | Henry Kissinger | Hastings | Henry Wadsworth Longfellow | Henry II of England | Henry II | Henry III of England | Henry IV of France | Henry IV | Henry | Henry Ford | Henry James | Henry VII of England | Henry III | Henry Moore | Henry Miller | Henry I of England | Henry Clay | Henry IV of England | Patrick Henry | Henry Mancini | Henry V | Henry David Thoreau | Joseph Henry Blackburne | Henry V of England | Henry VI of England | Henry VII | Henry II of France | Henry Fonda |
Ramsey's plan, implemented by Colonel Henry Hastings Sibley and frontier commander Charles Eugene Flandrau, had the goals of freeing settlers held captive by the Indians and to "exterminate" or drive the Dakota "forever beyond the borders of the state".
It also houses a small museum which used to be the Hypolite Du Puis house, the Henry Hastings Sibley house, the Faribault house, and buildings associated with the American Fur Company, all dating from the 1830s.
He served as a delegate to the Minnesota Territorial Legislature and remained friends with Henry Mower Rice and Henry Hastings Sibley, even though Rice and Sibley were personal and political enemies.