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.
L. L. CORYELL OIL COMPANY
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L. L. CORYELL OIL COMPANY. The 1934 through 1939 Dubuque City Directory listed 698 Iowa.
The 1941 Dubuque City Directory and 1942 Dubuque Classified Business Directory listed 698 Iowa and 1005 Rockdale Ave.
