"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.
CONEY ISLAND. The 1929 and 1934 Dubuque City Directory listed 493 Main.
The 1937 Dubuque Consurvey Directory listed 493, 597 and 720 Main.
The 1939 Dubuque City Directory through 1942 Dubuque Classified Business Directory listed 493 and 720 Main.
The 1945 through 1948 Dubuque City Directory listed 493 and 605 Main.
The 1951 through 1957 Dubuque City Directory listed 605 Main.