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.
VAN VALKENBERG & CO.
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VAN VALKENBERG & CO. The 1913 Dubuque and Dubuque County Directory stated that this business was located at 102-114 1st.
The 1937 Dubuque Consurvey Directory through 1942 Dubuque Classified Business Directory listed 250 W. 1st for the Van Valdenburg Sheet Metal Works for the address.