• Buffalo Creek Park Dam - Coggon IA
    The New Deal dam in Coggon, located in northeastern Linn County, was replaced in 1967 by the current dam, known as the Buffalo Creek Park Dam.41 The New Deal dam was built in order to restore Manhattan Lake in Coggon. Construction began in September 1934 with labor supplied by FERA. Although the date of completion was not discovered, it was originally estimated that the dam would take four months to construct, suggesting an expected completion date in early 1935. However, just as with the FERA dam in Quasqueton, the construction of the Coggon Dam took considerably longer than originally estimated....