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.
DUBUQUE ORE CONCENTRATING COMPANY
DUBUQUE ORE CONCENTRATING COMPANY. The Dubuque Ore Concentrating Company was organized in 1892 with the following officers: John Babcock, president; E. E. JONES, vice president; Samuel J. SOUTHWELL, secretary; and Philip Pier, Sr., treasurer. By this date considerable DRYBONE was being mined in this county, but as yet there was no reduction plant here. The above company laid plans to mine drybone, BLACK JACK and GALENA on an extensive scale. Its plant was on Southern Avenue.