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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
The 1899-1900 Dubuque City Directory through 1903 Dubuque County Rural Route Directory listed 441 White.
In 1911 the company was located at 850 Jackson Street.
The 1916-1917 White's Dubuque County Directory and the 1918 Dubuque City Directory listed the address as 860 Jackson.