The Coolidge Dam is a reinforced concrete multiple dome and buttress dam 31 miles east of Globe, AZ on the Gila River. Originally built between 1924 and 1928, the Coolidge Dam was part of the San Carlos Irrigation Project. The Coolidge Dam was named after the 30th US President, John Calvin Coolidge, Jr. Scrivener Dam, in Canberra, Australia, was engineered to withstand a once-in-5000-years flood event A dam is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment. ... Globe is a city located in Gila County, Arizona. ... The Gila River, a tributary of the Colorado, is shown highlighted on a map of the United States The Gila River (Oodham [Pima]: Hila Akimel) is a tributary of the Colorado River, 630 mile (1,014 km) long, in the southwestern United States. ... John Calvin Coolidge, Jr. ...