Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN
Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
HENRY KOLF
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HENRY KOLF. The 1870-1871 Dubuque City Directory located this business on the east side of Couler between 18th and 19th.
The 1875-1876 Dubuque City Directory listed the manufacturing site at 1895 Couler.