No longer standing, was located on Racine’s harbor (verified site)
Lithograph of Racine's harbor, A.P. Dutton's warehouse can be seen beyond a bridge on the left
Evidence:
The warehouse and its owner, A.P. Dutton, were mentioned in written accounts by abolitionists after the Civil War.
Dutton wrote letters to W. Seibert after the Civil War admitting to his role in the Underground Railroad.
Dutton was known to be an active abolitionist, as shown by his signing of the declaration that praised Col. William Utley’s abolitionist practices in Kentucky.
Dutton would have access to information about the ships and captains friendly to fugitives and the ships’ routes.