Fresno Dam is a dam on the Milk River

Milk River (Montana-Alberta)

The Milk River is a tributary of the Missouri River, long, in the United States state of Montana and the Canadian province of Alberta. Rising in the Rocky Mountains, the river drains a sparsely populated, semi-arid watershed of , ending just east of Fort Peck, Montana.-Geography:It is formed in...

, a tributary of the Missouri River

Missouri River

The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...

, upstream of Havre

Havre, Montana

Havre is a city in, and the county seat of, Hill County, Montana, United States. It is said to be named after the city of Le Havre in France. The population was 9,621 at the 2000 census.-History:...

, Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

. The dam is part of the Milk River Project, owned by the U.S. Bureau of Reclamation. It serves mainly to provide irrigation water and some of its capacity is also reserved for flood control. The dam was built between 1937 and 1939, and raised and overhauled in 1943 and 1951.