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Detroit, Michigan, police officer. Scrapbooks containing material concerning the Detroit Police Department and Ungermann's career; also photographs.

The collection consists of scrapbooks relating to his career, to the activities of the police department, and to civil defense activities. The photographs in the collection are of Detroit, Michigan buildings, streets, people, and activities, especially as they relate to the work of the Detroit Police Department; group and individual portraits and photographs of Detroit Police, and photos of police training; photos of war bond drives and other war work during World War II; and photos of WJR radio broadcasting during the 1930s.

Ann Arbor, Michigan based hydraulic engineer known for his multiple arch dams, hydroelectric plants, and for developing the Hazen-Williams hydraulic tables, designed and consulted on numerous water power and dam projects. Papers include biographical files, material relating to construction of dams and power plants on the Huron River and elsewhere, and papers relating to Michigan Engineering Society.

The papers of Gardner Williams, 1900-1931, include biographical material; papers relating to the history of Michigan Engineering Society; project files detailing construction of Huron River power plants and dams at Argo, Barton, Geddes, Superior, and French Landing; other Michigan project files for dams and plants in Sault Ste. Marie and elsewhere; Detroit Edison consultation materials; engineering reports by, or including comments of, Williams; and photographs.

The Williams papers came from the offices of Ayres, Lewis, Norris and May, Ann Arbor engineering firm. Obviously a fragment, they cover only the period of 1900 to 1931, with photographs spanning the dates 1900 to 1945.

The collection begins with a folder of biographical material and a folder regarding the history of the Michigan Engineering Society. Except for these, the collection divides into four series: Power Plants and Dams, the Detroit Edison Company, Engineering Reports, and Photographs.