Dry plate glass negative depicting a gathering of men in Civic Center Park in Denver, Colo., circa 1919-1921. The purpose of the gathering is unidentified. The photo was taken by either Herman Frederick Hall (1893-1984) or his one of his brothers, Herbert Harold Hall (1893-1961) or Edmeaux Homer Hall (b. 1897). The Hall family was a mixed-race family of African-American descent who lived at 2350 Glenarm Place in Denver.