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.
ECOLOGY CONTROL CORPORATION
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ECOLOGY CONTROL CORPORATION. The 1987 Dubuque City Directory listed 1060 E. 12th. The Iron and Metal Division of the Ecology Control Corporation was listed at 275 Harrison.