Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
KEY CITY OIL COMPANY
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KEY CITY OIL COMPANY. Organized in the early 1900s by local investors, Key City Oil gave the first local competition to the STANDARD OIL COMPANY. It was eventually bought out by Standard. (1)
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Source:
1. "Dubuque Has 14 Oil Companies on its Roster, Telegraph-Herald and Times-Journal, January 13, 1935, p. 31
