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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.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.


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July 28, 1889 Dubuque Sunday Herald. Photo courtesy: Telegraph Herald

EXCELSIOR OIL TANK LINE. The announcement was made on July 12, 1888 that the Excelsior Oil Company of Cleveland had made arrangements to construct tanks in Dubuque. The news continued that the company had two or three refineries with the capacity of 5,000 barrels daily which made it a "formidable rival" of Standard Oil.

Property had been leased from Bart E. LINEHAN on lower Main Street and the storage tanks would be constructed by the IOWA IRON WORKS. The company was expected to hire about fifteen employees of whom four would be traveling salesmen. (1)

Advertising itself in 1889 as an "anti-monopoly oil company," Excelsior declared itself to be "the only house in Iowa independent of the Standard Oil Company."

The 1890-91 Dubuque City Directory listed S. Main.



1. "Cheaper Oil," The Herald, July 12, 1888, p. 1