Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
CONCRETE PRODUCTS COMPANY
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CONCRETE PRODUCTS COMPANY. Established in 1939, Concrete Products in the 1942 Dubuque Classified Business Directory was listed 973 Main.
In 1962 through 1968 the company was listed at 425 E. 28th.
The 1970 through 1980 Dubuque City Directory listed Highway 3 and 52 North.
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Source:
Directory of Dubuque Industries. Prepared by the Dubuque Industrial Bureau, 1967
Chronology '79, Telegraph Herald, p. 7