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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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Photo courtesy: Bob Reding

K & K HEATING COMPANY. The 1957 Dubuque City Directory listed 300 S. Main.

The 1959 through 1966 Dubuque City Directory listed 190 S. Main. As the pen indicates, air conditioning was later added.

The 1972 and 1974 Dubuque City Directory listed Cedar Cross Road.

The 1980 through 1985 Dubuque City Directory listed 700 Cedar Cross Road.