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Encyclopedia Dubuque


"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN


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Dubuque City Directory, 1857-1858. Photo courtesy: Bob Reding
CHARLES F. TRETBAR. According to the 1857-1858 Dubuque City Directory, this business was located on Main between 10th and 11th.

The 1858-1859 and 1859-18670 Dubuque City Directory listed 110 Main.