June 2008 akaona mafashamo akaipisisa akanga amboitika munharaunda yeWaterloo <unk> Cedar Falls; mamwe mafashamo makuru anosanganisira Mafashamo Makuru a1993
. Gadziriro yokudzora mafashamo yakavakwa muma1970 kusvika kuma1990 yakashanda zvikuru sezvakanga zvagadzirirwa.