"SHSI Certificate of Recognition"
"Best on the Web"

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.


From Encyclopedia Dubuque
Jump to navigationJump to search
601 Rhomberg. Photo in 2011.

POTOSI SUPPLY COMPANY. The 1939 through 1945 Dubuque City Directory listed this company at 601 Rhomberg.

The 1948 Dubuque Classified Business Directory through 1962 Dubuque City Directory listed 501 Garfield.