Childs-Irving Hydroelectric Project, Forest Service Road 708/502, Camp Verde, Yavapai County, AZ
Significance: The Childs-Irving Hydroelectric Project encompasses a unique water-pressure/electric-turbine system according to engineering historians evaluating the historic complex since 1976 that 1) was constructed with great effort in an extremely remote landscape, 2) captured a natural water source and followed dramatic topography, 3) generated electric power in a remarkably simple and efficient manner, and 4) operated continuously for 95 years.
Survey number: HAER AZ-65
Building/structure dates: 1908-1909 Initial Construction
Building/structure dates: 1915-1916 Subsequent Work