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.
KEY CITY IRON WORKS
KEY CITY IRON WORKS. Established in 1869, the Key City Iron Works Foundry according to the 1884-1885 Dubuque City Directory was located on 8th between Iowa and Clay.
The 1899-1900 through 1911-12 Dubuque City Directory gave the address as the southeast corner of Jackson and 9th.
The 1916-1917 White's Dubuque County Directory listed 890 Jackson as the address.
From 1937 through the 1980s, it was located at 898 Jackson Street.
Source: "Chronology" Telegraph Herald, 1979 p. 15D