Holter Dam celebrates 100 years in Montana – KPAX-TV

KPAX-TVHolter Dam celebrates 100 years in MontanaKPAX-TVMade of concrete and steel, the 1,300-foot long, 100-foot tall hydroelectric dam holds back the Missouri River to form the Holter Reservoir. NorthWestern Energy owns and operates the facility as a part of its Montana Integrated Hydro system. The system

Read More: Holter Dam celebrates 100 years in Montana – KPAX-TV