John Henry Hauberg was born November 22, 1869, in Hillsdale, Illinois, the son of Marx Detlef and Anna Margaret Frels Hauberg. After obtaining degrees at Northern Indiana Normal College, now Valparaiso University, Indiana, Hauberg enrolled in law school at the University of Michigan, graduating in 1900. Hauberg set up a law practice in Moline, Illinois, in 1901, and married Susanne Denkmann in 1911. Hauberg was actively involved in many local social, religious, progressive, and community organizations, including the Lutheran Church, the temperance movement, the Y.M.C.A., and the Old Settler’s Association. Hauberg was the founder of the United Sunday School Band, the Black Hawk Hiking Club, and was instrumental in the found of Black Hawk State Park. Hauberg died September 13, 1955. This collection includes personal correspondence and journals; scrapbooks; family history materials for both the Denkmann and Hauberg families; Hauberg’s local history research on topics such as the Black Hawk War, Native Americans in the Quad Cities area, early settlers of Rock Island County, and Camp McClellan; records of Hauberg’s involvement in social and charitable organizations; and hundreds of photographs in a variety of formats. Susanne Denkmann Hauberg’s personal diaries are also included, as is information on her involvement in the West End Settlement House.