C. KALTENBACH
From Encyclopedia Dubuque
C. KALTENBACH. The 1861 Dubuque City Directory listed 88 Main.
The 1870-1871 Dubuque City Directory, gave the address of this business as the southwest corner of 8th and Main.
The 1875-1876 Dubuque City Directory gave 453 Main as the company address.
The 1878-79 Dubuque City Directory listed 487 Main.
