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.
ROCK WOOL HOME INSULATION COMPANY
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ROCK WOOL HOME INSULATION COMPANY. The 1951 Dubuque City Directory listed 197 Locust.
The 1957 Dubuque City Directory listed 299 Main.
The 1959 through 1974 Dubuque City Directory listed 2780 Broadway.