Collection consists of a register of members and visitors (1929), minutes of annual encampments and related documents (1944-1948, 1952-1959, 1961-1972), lists of department commanders and officers (1939-1966), and other material relating to the Department of Colorado/Wyoming of the Sons of Union Veterans of the Civil War. The material in this collection was compiled by Charles E. Sharrock and donated to the Colorado Historical Society in 1982.