2004-50 W.D. Petersen: Father of the Davenport Levee. 1 archive box and 1 loose volume. Rg. 42 Sec.8-9
2002-07 Davenport Bridge Commission Records, 1940's-1980's. Scrapbooks, photos, contracts, correspondence for Iowa-Illinois Memorial Bridge - both spans. 8 record center cartons. Rg. 14 Sec. 7