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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.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.


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Photo: Dubuque Democratic Herald, Sept. 10, 1863, p. 1
CUSHING AND ZUMHOFF. On January 29, 1864 the Dubuque Democratic Herald reported that the company was harvesting 600 tons of ice daily. (1)

On May 31, 1864 it was announced that Zumhoff had sold his share of the business to his partner and had entered the wood business. (2)



1. "Ice Harvesting," Dubuque Democratic Herald, January 29, 1864, p. 4. Onliner: https://news.google.com/newspapers?nid=A36e8EsbUSoC&dat=18640129&printsec=frontpage&hl=en

2. "Sold Out," Dubuque Democratic Herald, May 31, 1864, p. 4. Online: https://news.google.com/newspapers?nid=A36e8EsbUSoC&dat=18640531&printsec=frontpage&hl=en