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J. W. COY
J. W. COY. The 1868-69 through 1873-74 Dubuque City Directory gave the address of this business as 84 Main.
The 1874-1875 through 1880 Dubuque City Directory stated that this business was located at 448 Main.
According to the 1883 and 1884-1885 Dubuque City Directory, this business was located at 846 Main.
The 1890-91 Dubuque City Directory listed 1075 Main.