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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.”
Marshall Cohen—researcher and producer, CNN

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


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Highway Marker
WASHINGTON TRAIL. With termini in Washington, DC, and Seattle, Washington, the Washington Trail was 2,500 miles long and was sponsored by the Washington Highway Association. The ninety-two miles in Iowa included the cities of Dubuque and Mitchell. The route was sponsored on March 23, 1917.