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.
PETER CALLAGHAN
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PETER CALLAGHAN. The 1880 and 1883 Dubuque City Directory indicated that this business was located at 236 Main.
The 1886-87 Dubuque City Directory listed the address as 234 Main.
The 1890-91 Dubuque City Directory listed 1st and Iowa as a bar.