JACKSON VINEGAR COMPANY
In 1913 the company moved to a larger building at on Main. It relocated to 145 West 1st Street in 1934 and merged with the MCFADDEN COFFEE AND SPICE COMPANY.
The 1909 Dubuque City Directory located this business at 52 South Main.
The 1913 Dubuque and Dubuque County Directory gave this business address as 54-60 S. Main.
The 1923 Dubuque City Directory listed 64 Main.
The 1929 Dubuque City Directory listed 60-64 Main.
Kruse, Len. "Early Dubuque Vinegar Companies," My Old Dubuque, Dubuque, Iowa: Center for Dubuque History, 2000, p. 249