On South Military Street just north of Hubbell Street, on the right when traveling north.
Before 1839 no roads connected Dubuque and Iowa City. Travelers often became lost. Lyman Dillon, Esq., from Cascade, Iowa plowed a furrow between the two cities. The 100 mile furrow, known as Dillon’s Furrow is the longest on record. Dillon’s Furrow . . . — — Map (db m238900) HM