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Encyclopedia Dubuque

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




WASHINGTON TRAIL

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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.