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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.


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AMERICAN PETROLEUM SERVICE. The 1934 through 1941 Dubuque City Directory listed 105 Locust.

The 1951 Dubuque City Directory listed 499 Central. 2103 Jackson, and 105 Locust.

The 1955 Dubuque City Directory listed American Petroleum Service at 105 Locust.