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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.


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SIMPSON, John. (Yorkshire, England, Dec. 13, 1811-- ). Miner. Simpson came to Dubuque on July 4, 1838. He was involved in mining for forty-nine years and laid out Simpson's Addition where he lived.