. . . . . . . . . "Richard" . "Jefferson Barracks" . . . . "1797" . "1849-04-13" . . "United States" . . "Colonel Mason's" . "22px1st U.S. Dragoons" . . "1850-07-25" . "Richard B. Mason" . . "Richard Mason" . "Richard Barnes Mason" . "Governor Mason" . . . . . . . . . "R.B. Mason" . . . . . . . "Richard Barnes Mason" . . "Colonel Richard Mason" . . . . "1850" . . . . . . "5th" . . . "1817" . . . . . "1847-05-31" . . "Fort Gibson" . . . . "Military Governor of California" . . "1797-01-16" . . . . "1850" . . . . . . . . . . . . .