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EXCELSIOR OIL TANK LINE
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