Brewster family.

Lyman and Burton Brewster are brothers and prior to 1947 operated the Brewster-Arnold Ranch Co. and G.W. Brewster Estate along with family members John and Grace (Brewster) Arnold and George Brewster, Jr. In 1947, the operations split; Lyman Brewster and his wife, Anne became the X Diamond Bar Cattle Co. and took over the Quarter Circle U Ranch. The ranches are in Rosebud County, near Birney, Mont. Lyman Brewster ran for U.S. Senate in the Republican primary in 1964. Prior to that he was active in Montana agriculture at the state and national levels.

From the description of Brewster family papers, 1907-1964. (Montana State University Bozeman Library). WorldCat record id: 154689567