In the fall of 1856, speculators from the Western Town Company of Dubuque, Iowa, claimed a town site at the Falls of the Big Sioux River. The next spring, men joined them from the Dakota Land Company of St. Paul. Together, they founded Sioux Falls . . . — — Map (db m184704) HM
To the east of the Rock Island railroad depot is a memorial to the settlers of "Sioux Falls City" who occupied this area between 1857 and 1862. Due to a scare that Indians were about to attack in June of 1858, a sod fortification was constructed . . . — — Map (db m184847) HM