Izikhungo ku Iowa City vula E Jefferson St ube nesilinganiso esimaphakathi — 4.5 (ngokwezilinganiso zomsebenzisi Mapich).
E Jefferson St, Iowa City ezitholakele — isibhedlela futhi ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.