"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
O. F. LOHRER
O. F. LOHRER. The 1873-74 Dubuque City Directory listed 109 Main.
The 1874-1875 Dubuque City Directory stated that this business was located at 630 Main.