Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
R. G. DUN AND COMPANY
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R. G. DUN AND COMPANY. The 1878-79 Dubuque City Directory listed the southeast corner of Main and 5th.
The 1880 Dubuque City Directory listed 484 Main.