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.
AMERICAN DISTRICT TELEGRAPH COMPANY
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AMERICAN DISTRICT TELEGRAPH COMPANY. The 1909 through the 1923 Dubuque City Directory located this business at 494 Main.
The 1929 through 1968 Dubuque City Directory listed 490 Main.