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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
M. J. KNIPPEL COMPANY (THE)
M. J. KNIPPEL COMPANY (THE). The 1909 through 1968 Dubuque City Directory stated that this business was located at 453 Main.
The 1922 Dubuque City Directory listed M. J. Knippel & Son at 458 Main.