Milk River is a

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the

Missouri River The Missouri River is a river in the Central United States, Central and Mountain states, Mountain West regions of the United States. The nation's longest, it rises in the eastern Centennial Mountains of the Bitterroot Range of the Rocky Moun ...

, long, in the U.S. state of

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

and the

Canadian province Canada has ten provinces and three territories that are sub-national administrative divisions under the jurisdiction of the Constitution of Canada, Canadian Constitution. In the 1867 Canadian Confederation, three provinces of British North Amer ...

Alberta Alberta is a Provinces and territories of Canada, province in Canada. It is a part of Western Canada and is one of the three Canadian Prairies, prairie provinces. Alberta is bordered by British Columbia to its west, Saskatchewan to its east, t ...

. Rising in the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...

, the river drains a sparsely populated, semi-arid watershed of , ending just east of Fort Peck, Montana.

Geography

It is formed in Glacier County in northwestern Montana, north of Browning, Montana, by the confluence of its South and Middle forks. The long South Fork and long Middle Fork both rise in the

just east of Glacier National Park, in the Blackfeet Indian Reservation. Much of the water in the North Fork is diverted from the St. Mary River through a canal and inverted siphon. The main stream flows east-northeast into southern Alberta, where it is joined by the North Fork of the Milk River, from there It flows past the town of Milk River and Writing-on-Stone Provincial Park, then turns southeast into Montana, running east along the north side of the Sweetgrass Hills, turning south, passing through the Fresno Dam, then east past Havre and along the north side of the

Fort Belknap Indian Reservation The Fort Belknap Indian Reservation ( or ) is shared by two Native American tribes, the A'aninin (Gros Ventre) and the Nakota, Nakoda (Assiniboine). The reservation covers , and is located in north-central Montana. The total area includes the ma ...

. Near

Malta Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago south of Italy, east of Tunisia, and north of Libya. The two ...

, it turns north, then southeast, flowing past

Glasgow Glasgow is the Cities of Scotland, most populous city in Scotland, located on the banks of the River Clyde in Strathclyde, west central Scotland. It is the List of cities in the United Kingdom, third-most-populous city in the United Kingdom ...

and joining the Missouri in Valley County, Montana, downstream from Fort Peck Dam. The watershed of the river extends into the Canadian provinces of Alberta and

Saskatchewan Saskatchewan is a Provinces and territories of Canada, province in Western Canada. It is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and to the south by the ...

and the US state of Montana. The watershed of the river covers an area of . Of this lies in Alberta, in Saskatchewan and the remaining in Montana. The area in Alberta and Saskatchewan is one of the few parts of the

Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...

watershed that extends into Canada.

History

The Milk River was given its name by Captain

Meriwether Lewis Meriwether Lewis (August 18, 1774 – October 11, 1809) was an American explorer, soldier, politician, and public administrator, best known for his role as the leader of the Lewis and Clark Expedition, also known as the Corps of Discovery, with ...

, of the Lewis and Clark Expedition, who described the river in his journal: This appearance results from clays and silts suspended in its waters. These fine-grained sediments result from the erosion of soft clay-rich rocks along the Milk River basin in southern Alberta, such as the Foremost, Oldman and Dinosaur Park formations. At the time of Lewis's exploration, the Milk River drainage was legally part of the United States as a component of the

Louisiana Purchase The Louisiana Purchase () was the acquisition of the Louisiana (New France), territory of Louisiana by the United States from the French First Republic in 1803. This consisted of most of the land in the Mississippi River#Watershed, Mississipp ...

. However, in 1818 U.S. negotiators swapped a portion of the Milk River watershed that lay north of 49° north latitude, receiving in exchange for a parcel of

Red River of the North The Red River (), also called the Red River of the North () to differentiate it from the Red River of the South, Red River in the south of the continent, is a river in the north-central United States and central Canada. Originating at the confl ...

drainage that had previously been part of

British North America British North America comprised the colonial territories of the British Empire in North America from 1783 onwards. English colonisation of North America began in the 16th century in Newfoundland, then further south at Roanoke and Jamestown, ...

. The project to take water from St. Mary River into the north fork was authorized in 1905. It provides drinking water to 14,000 municipal users and irrigation to of ranchland along Montana’s Hi-Line region. In 1908, the waters of the Milk River were the subject of a

United States Supreme Court The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. federal court cases, and over state court cases that turn on question ...

case clarifying the water rights of the Fort Belknap Indian Reservation. This precedent setting ruling for

Indian reservations An American Indian reservation is an area of land land tenure, held and governed by a List of federally recognized tribes in the contiguous United States#Description, U.S. federal government-recognized Native American tribal nation, whose gov ...

is known as '' Winters v. United States''.

Habitat

The Milk River area consists of three drainage basins – the Lost River Valley to the northeast, the Milk River in the middle, and the Kennedy Coulee to the southeast. The landscape consists of native grasslands, riparian cottonwood groves, badlands, coulees, cliffs, sand dunes, and rocky outcrops. Birds in the area include the mountain plover, burrowing owl, sage grouse, loggerhead shrike, Sprague's pipit, long-billed curlew, ferruginous hawk, prairie falcon, willet, marbled godwit, lark bunting, Baird's sparrow, McCown's longspur, and the

chestnut-collared longspur The chestnut-collared longspur (''Calcarius ornatus'') is a species of bird in the family Calcariidae. Like the other longspurs, it is a small ground-feeding bird that primarily eats seeds. It breeds in prairie habitats in Canada and the northern ...

. The area also supports pronghorns, western hognose snakes, bull snakes, prairie rattlesnakes, and

northern leopard frog ''Lithobates pipiens''Integrated Taxonomic Information System nternet2012''Lithobates pipiens'' pdated 2012 Sept; cited 2012 Dec 26Available from: www.itis.gov/ formerly ''Rana pipiens'', commonly known as the northern leopard frog, is a s ...

References

External links

Lewis & Clark - Glasgow and the Milk River
{{DEFAULTSORT:Milk River (Alberta-Montana) Lewis and Clark Expedition Rivers of Alberta Rivers of Montana Tributaries of the Missouri River International rivers of North America Rivers of Glacier County, Montana Important Bird Areas of Alberta

Geography

History

Habitat

See also

References

External links