Private practice, Pike County, Missouri, 1859-1875
Prosecutor, Third Judicial Circuit, Missouri, 1860
U.S. Army commander, Civil War
State representative, Missouri, 1862-1865
Secretary, Missouri State Senate, 1866
U.S. representative from Missouri, 1869-1871
Private practice, St. Louis, Missouri, 1871-1902
U.S. attorney for the Eastern District of Missouri, 1875-1876, 1902-1907