Izikhungo ku Iowa City vula River St ube nesilinganiso esimaphakathi — 5 (ngokwezilinganiso zomsebenzisi Mapich).
River St, Iowa City ezitholakele — ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 2 Izinkampani, eyethulwe kuleli khasi.