Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Echo Canyon Dam, wanda ke tattare da Echo Canyon Reservoir, an gina shi a 1969 - 70.
Tabbas, wani nau'i mai rikitarwa na jumla shine "An gina Echo Canyon Dam a cikin 1969 - 70, kuma shine mafi nisa a cikin ruwa a kan Meadow Valley Wash. "