Mason, R. B. (Richard Barnes), 1797-1850

found: Positions of the upper and lower gold mines on the South Fork of the American River, California, 1848(name not given)

found: OCLC, Feb. 20, 2007(hdg.: Mason, R. B.; Mason, Richard Barnes, 1797-1850; usage: R.B. Mason)

found: Wikipedia, Feb. 20, 2007(Richard Barnes Mason, b. 1797, d. 1850; career officer in the United States Army and the military governor of California before it became a state. When gold was discovered at Sutter's Mill 1n 1848, Mason made a report of the finding to President James K. Polk.) February 15, 2021 (Richard Barnes Mason (January 16, 1797-July 25, 1850); born in Fairfax County, Virginia; died at Jefferson Barracks [Mo.] July 1849; appointed military governor of California, serving from May 31, 1847, until April 13, 1849)

found: Proclamation. To the people of Upper California, 1848:broadside (R.B. Mason, Col. 1st Drags. and Gov. of California)