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
Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
H. F. SIMPLOT
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H. F. SIMPLOT. The 1878-79 and 1880 Dubuque City Directory listed 630 Main.
The 1883 and 1884-1885 Dubuque City Directory stated that this business was located at 804 Main.
