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St. Lawrence River

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Template:Short description Template:Use dmy dates Template:Infobox riverTemplate:St. Lawrence River map

The St. Lawrence River (Template:Langx, {{#invoke:IPA|main}}) is a large international river in the middle latitudes of North America connecting the Great Lakes to the North Atlantic Ocean. Its waters flow in a northeasterly direction from Lake Ontario to the Gulf of St. Lawrence, traversing Ontario and Quebec in Canada and New York in the United States. A section of the river demarcates the Canada–U.S. border.

As the primary drainage outflow of the Great Lakes Basin, the St. Lawrence has the second-highest discharge of any river in North America (after the Mississippi River) and the 16th-highest in the world. The estuary of the St. Lawrence is often cited by scientists as the largest in the world. Significant natural landmarks of the river and estuary include the 1,864 river islands of the Thousand Islands, the endangered whales of Saguenay–St. Lawrence Marine Park, and the limestone monoliths of the Mingan Archipelago.

Long a transportation route to Indigenous peoples, the St. Lawrence River has played a key role in the history of Canada and in the development of cities such as Montreal and Quebec City. The river remains an important shipping route as the backbone of the St. Lawrence Seaway, a lock and canal system that enables world marine traffic to access the inland ports of the Great Lakes Waterway.

EtymologyEdit

The river has historically been given a variety of different names by local First Nations. Beginning in the 16th century, French explorers visited what is now Canada and gave the river names such as the Grand fleuve de Hochelaga and the Grande rivière du Canada,<ref name="topo"/> where fleuve and rivière are two French words (fleuve being a river that flows into the sea).

The river's present name has been used since 1604 when it was recorded on a map by Samuel de Champlain.<ref name="topo">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Champlain opted for the names Grande riviere de sainct Laurens and Fleuve sainct Laurens in his writings, supplanting the earlier names.<ref name="topo"/> In contemporary French, the name is rendered as the fleuve Saint-Laurent. The name Saint-Laurent (Saint Lawrence) was originally applied to the eponymous bay by Jacques Cartier upon his arrival into the region on the 10th of August feast day for Saint Lawrence in 1535.<ref name="topo"/>

Indigenous people use the following names:

  • Innu-aimun, the language of Nitassinan, refer to it as Wepistukujaw Sipo/Wepìstùkwiyaht sīpu.<ref name="topo"/><ref name="Lozier">Template:Cite book</ref>
  • the Abenaki call it Moliantegok/Moliantekw ("Montréal River"),<ref name="topo"/> Kchitegw/Ktsitekw/Gicitegw ("Great River"),<ref name="Lozier"/> or Oss8genaizibo/Ws8genaisibo/Wsogenaisibo ("River of the Algonquins").<ref name="Lozier"/>
  • in Mohawk language it is Roiatatokenti, Raoteniateara,<ref name="topo"/> Ken’tarókwen,<ref>{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref> or Kaniatarowanénhne.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

  • Tuscarora people call it Kahnawáˀkye or Kaniatarowanenneh ("Big Water Current").<ref>Rudes, B. Tuscarora English Dictionary Toronto: University of Toronto Press, 1999</ref>
  • Algonquin people call it "the Walking Path" or Magtogoek,<ref name="topo"/><ref>{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref> or Kitcikanii sipi, the "Large Water River".<ref name="Lozier"/><ref>Template:Cite book</ref>

GeographyEdit

File:000730 15a 3545 2367 fleuve I Orleans.jpg
Boats of the Transat Québec–Saint-Malo on the St. Lawrence River in 2000
File:Ile St Quentin 021.jpg
Cross commemorating the one laid by Jacques-Cartier on October 7, 1535, Trois-Rivières
File:Champlain Sea 1.png
The Champlain Sea

Marine weatherEdit

In winter, the St. Lawrence River begins producing ice in December between Montreal and Quebec City. The prevailing winds and currents push this ice towards the estuary,<ref name="Estuary and Gulf of St. Lawrence - Fisheries and Oceans Canada">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and it reaches the east of Les Méchins at the end of December. Ice covers the entire Gulf of St. Lawrence in January and February.

Ice helps navigation by preventing the formation of waves, and therefore spray, and prevents the icing of ships.<ref name="The secrets of the Saint-Laurent, marine weather guide">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

WatershedEdit

With the draining of the Champlain Sea, due to a rebounding continent from the Last Glacial Maximum, the St. Lawrence River was formed. The Champlain Sea lasted from about 13,000 years ago to about 10,000 years ago and was continuously shrinking during that time, a process that continues today.<ref>Lake Champlain Basin Atlas: Geology Page Template:Webarchive</ref><ref name="Miller2015">Template:Cite book</ref> The head of the St. Lawrence River, near Lake Ontario, is home to the Thousand Islands.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Today, the St. Lawrence River begins at the outflow of Lake Ontario and flows adjacent to Cape Vincent, Gananoque, Clayton, Alexandria Bay, Brockville, Morristown, Ogdensburg, Massena, Cornwall, Montreal, Trois-Rivières, and Quebec City before draining into the Gulf of St. Lawrence, often given as the largest estuary in the world.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The estuary begins at the eastern tip of Île d'Orléans, just downstream from Quebec City.<ref name="BenkeCushing2005">Template:Cite book</ref> The river becomes tidal around Quebec City.<ref name="Dawson2007">Template:Cite book</ref>

The St. Lawrence River runs Template:Convert from the farthest headwater to the mouth and Template:Convert from the outflow of Lake Ontario. These numbers include the estuary; without the estuary, the length from Lake Ontario is c. 500 km (c. 300 mi). The farthest headwater is the North River in the Mesabi Range at Hibbing, Minnesota. Its drainage area, which includes the Great Lakes, the world's largest system of freshwater lakes, is Template:Convert, of which Template:Convert is in Canada and Template:Convert is in the United States. The basin covers parts of Ontario and Quebec in Canada, parts of Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, Vermont, and nearly the entirety of the state of Michigan in the United States. The average discharge below the Saguenay River is Template:Convert. At Quebec City, it is Template:Convert. The average discharge at the river's source, the outflow of Lake Ontario, is Template:Convert.<ref name="BenkeCushing2005"/>

The St. Lawrence River includes Lake Saint Francis at Salaberry-de-Valleyfield, Lake Saint-Louis south of Montreal and Lake Saint Pierre east of Montreal. It encompasses four archipelagoes: the Thousand Islands chain near Alexandria Bay, New York and Kingston, Ontario; the Hochelaga Archipelago, including the Island of Montreal and Île Jésus (Laval); the Lake St. Pierre Archipelago (classified a biosphere world reserve by the UNESCO in 2000)<ref>Lac Saint-Pierre et son archipel Template:Webarchive. Pleinairalacarte.com (2008-11-07). Retrieved 2013-07-12.</ref> and the smaller Mingan Archipelago. Other islands include Île d'Orléans near Quebec City and Anticosti Island north of the Gaspé. It is the second longest river in Canada.

Lake Champlain and the Ottawa, Richelieu, Saint-Maurice, Saint-François, Chaudière and Saguenay rivers drain into the St. Lawrence.

The St. Lawrence River is in a seismically active zone where fault reactivation is believed to occur along late Proterozoic to early Paleozoic normal faults related to the opening of the Iapetus Ocean. The faults in the area are rift-related and comprise the Saint Lawrence rift system.

According to the United States Geological Survey, the St. Lawrence Valley is a physiographic province of the larger Appalachian division, containing the Champlain section.<ref name="USGS-Water">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> However, in Canada, where most of the valley is, it is instead considered part of a distinct St. Lawrence Lowlands physiographic division, and not part of the Appalachian division.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

SourcesEdit

The source of the North River in the Mesabi Range in Minnesota (Seven Beaver Lake) is considered to be the source of the St. Lawrence River. Because it crosses so many lakes, the water system frequently changes its name. From source to mouth, the names are: Template:Columns-list

The St. Lawrence River also passes through Lake Saint-Louis and Lake Saint-Pierre in Quebec.

Template:Wide image

TributariesEdit

The St. Lawrence River and the largest tributaries of the Great Lakes.

The St. Lawrence River tributaries are listed upstream from the mouth. The major tributaries of the inter-lake sections are also shown, as well as the major rivers that flow into the Great Lakes. Great Lakes tributaries are listed in alphabetical order.

The list includes all tributaries with a drainage area of at least 1,000 square kilometres and an average flow of more than 10 cubic metres per second.

Left

tributary

Right tributary Length (km) Basin size (km2) Average discharge (m3/s)
St. Lawrence River
Godbout 112 1,930.1 44.4
Frankquelin 67.5 582.9 12.1
Manicouagan 221 45,908 1,020
Outardes 499 19,057 400
Mitis 51 1,806.4 37
Betsiamites 444 18,984.1 366.7
Laval 42 641.6 13
Rivière du Sault aux Cochons 128 1,946 38.7
Rimouski 119.2 1,635 30.8
Portneuf 55 2,457.6 52.3
Rivière des Escoumins 84 810.5 17.5
Rivière des Trois-Pistoles 43 966 18.4
Verte 507.9 10.2
Saguenay 170 87,635.4 1,893.9
Rivière du Loup 101.3 1,059 18.5
Malbaie 161 1,861.1 39.1
Rivière-Ouelle 73.4 850.6 16.8
Rivière du Gouffre 76.1 1,010.1 23.5
Montmagny (Rivière du Sud) 86.5 1,994.6 46.7
Sainte-Anne 97 1,077 31.5
Montmorency 103.7 1,157.6 35.6
Saint-Charles 25 483.4 13.6
Etchemin 124 1,443.4 34.5
Chaudière 185 6,682 146.4
Jacques-Cartier 178 2,515 71.3
Rivière du Chêne 80.6 855.9 21.1
Sainte-Anne 123 2,753.3 73.4
Batiscan 196 4,690 107.1
Bécancour 210 2,607 63.2
Saint-Maurice 563 41,994.3 730
Nicolet 137 3,380 77.8
Rivière du Loup 102 1,642.9 27.8
Saint François 218 10,230 237.8
Yamaska 160 4,784 110.1
Maskinongé 40 1,205.7 21.3
Richelieu 124 23,717.7 455.8
L'Assomption 200 4,220 78.6
Ottawa 1,271 147,405.8 1,948.8
Châteauguay 121 2,466.7 43.8
Rivière aux Saumons 70.6 1,065.2 20.2
St. Regis River 138 2,219.6 44
Raquette 235 3,250 74.4
Grasse 117 1,657.9 32.9
Oswegatchie 220 4,120 88.3
Gananoque 909.5 12.2
Niagara
Tonawanda Creek 140 1,700 27.2
Detroit
Rouge 204 1,580 10.7
St. Clair River
Sydenham 165 2,727.6 14.3
Belle 118.3 556.4 4.4
Black 130.4 1,821.9 9.2
Great Lakes
Lake Ontario
Black 201 4,964.8 159.5
Credit 90 1,000 8.1
Genesee 253 6,507.7 107.5
Humber 100 1,008.4 7.5
Moira 98 2,736 32.6
Napanee 60 1,099.2 12.6
Niagara 58 682,350.9 5,885
Oak Orchard 95.2 804.3 13
Oswego 38 13,266 255
Salmon 135 1,534 18.2
Salmon 71 820.5 21.9
Sandy Creek 53 501.9 11
Trent 90 13,014.7 154.6
Welland 140 1,136.4 8.7
Lake Erie
Black 68 1,217 9.8
Buffalo 13 1,186.4 17.4
Cattaraugus Creek 109 1,510.1 24
Cuyahoga 136.6 2,377.6 29
Detroit 45 595,052 5,300
Grand 280 6,763.8 45
Grand 165.3 1,873.6 23.8
Huron 210 2,145.2 20.4
Huron 24 1,055.6 8.8
Maumee 220 16,460 164.1
Portage 66.8 1,574.6 11.3
Raisin 224 2,780 22.8
Sandusky 214 3,262.1 26.1
Lake St. Clair
Clinton 134 1,970.9 19.8
St. Clair River 65.2 583,508.7 5,200
Thames 273 5,825 52.9
Lake Huron
Au Gres 75.2 1,262 7.2
Au Sable 222 5,468.5 36.4
Ausable 64 1,142 8.1
Cheboygan 61 3,880.1 32.5
French 110 19,100 207
Garden 1,061.7 14.6
Magnetawan 175 3,041.9 24.7
Maitland 150 2,592 21.4
Mississagi 266 9,270 118
Musquash 29 4,591.7 43.7
Nottawasaga 120 3,082.4 18.8
Saginaw–Shiawassee 216 15,525.6 136.7
St. Marys River 119.9 211,833.3 2,135
Sauble 1,109.7 7.6
Saugeen 160 4,120 81.8
Seguin 40 1,023 9.7
Serpent 1,495 10.2
Severn 30 6,039.2 56.9
Spanish 338 13,368.3 150
Thessalon 1,125.4 8.3
Thunder Bay 121.3 3,382.1 19.2
Whitefish 1,318.9 7.2
Lake Michigan
Burns Waterway 35.6 1,033.2 8.9
Calumet 66 1,183.8 10
Cedar 108 1,158.3 6.9
Elk 121 1,379.5 12.5
Escanaba 84 2,390 28.1
Ford 174 1,414.7 10.7
Fox 320 16,650 143.8
Grand 406 15,206.6 143
Kalamazoo 210 5,230 52.8
Manistee 310 4,600 47.5
Manistique 114.6 3,780 52.7
Manitowac 57.6 1,552.4 10.6
Menomonee 187 10,569 99.6
Milwaukee 167 2,271.5 17.1
Muskegon 348 7,029.8 60.8
Oconto 91.6 2,474.9 19.8
Pere Marquette 102.8 2,074.6 18
Peshtigo 219 2,856.3 21.9
Shebaygan 130 1,226 8.8
St. Joseph River 340 12,130 142.2
White 38 1,458 13
Lake Superior
Agawa 102 1,057.8 29.1
Aguasabon 70 964.3 16.8
Bad 119.6 2,659.8 44.7
Batchawana 95 1,396.1 36.7
Black 66.1 724.3 15.1
Black Sturgeon 72 2,815.6 43.1
Brule 65 699.7 10
Chipewa 40 920.9 22.4
Dog 50.9 1,333.5 28
Goulais 70 2,071 42.1
Gravel 700.1 12.1
Kaministiquia 95 7,903.1 99.4
Little Pic 1,459.1 21
Magpie–Michipicoten 81 7,446.7 145.8
Montreal 130 3,452 84
Montreal 76.9 861.9 12.8
Nemadji 113.9 1,158.4 18.6
Nipigon 48 25,645.4 383.6
Old Woman 558.8 10.9
Ontonagon 40 3,720.2 75.8
Pic 188 6,430 109.9
Pigeon 80 1,610.6 25.1
Presque Isle 67.8 1,088.9 20.3
Pukaskwa 80 1,308.3 24.6
Saint Louis 309 9,410 146.7
Sand 56 537.7 13
Steel 170 1,298.8 18.3
Sturgeon 171 1,892.2 43.1
Tahquamenon 143.4 2,258 46.3
Two Hearted 38 575 11.7
White 140 5,228.3 95.7
Wolf 650.2 10
Source <ref name="St Lawrence-Great Lakes">{{#invoke:citation/CS1|citation CitationClass=web

}}</ref>

DischargeEdit

Year Average discharge<ref name="Physical oceanographic conditions in the Gulf of St. Lawrence during 2023">{{#invoke:citation/CS1|citation CitationClass=web

}}</ref>

Quebec City Pointe-des-Monts
2007 Template:Cvt Template:Cvt
2008 Template:Cvt Template:Cvt
2009 Template:Cvt Template:Cvt
2010 Template:Cvt Template:Cvt
2011 Template:Cvt Template:Cvt
2012 Template:Cvt Template:Cvt
2013 Template:Cvt Template:Cvt
2014 Template:Cvt Template:Cvt
2015 Template:Cvt Template:Cvt
2016 Template:Cvt Template:Cvt
2017 Template:Cvt Template:Cvt
2018 Template:Cvt Template:Cvt
2019 Template:Cvt Template:Cvt
2020 Template:Cvt Template:Cvt
2021 Template:Cvt Template:Cvt
2022 Template:Cvt Template:Cvt
2023 Template:Cvt Template:Cvt

BiodiversityEdit

The diversity of the St. Lawrence River includes:<ref name="The St. Lawrence, this great river that flows within us (David Suzuki Foundation)">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

|CitationClass=web }}</ref>

Marine mammalsEdit

File:Whale watching Tadoussac 11.jpg
fin whales off Tadoussac

Large marine mammals travel in all the seas of the earth, the research and observations of these giants concern fishermen and shipping industry, exercise a fascination and a keen interest for laymen and, subjects of endless studies for scientists from Quebec, Canada and around the world.<ref name="Saguenay–St. Lawrence Marine Park">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name="Cetaceans of the World">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name="Right Whales: A Look Back on the Summer of 2017">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Thirteen species of cetaceans frequent the waters of the estuary and the Gulf of St. Lawrence:<ref name="Whales Online, magazine and encyclopedia">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

  1. Northern bottlenose whale
  2. Delphinapterus leucas (Beluga Whale)<ref name="Béluga - Delphinapterus leucas">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref><ref name="Canadian Technical Report of Fisheries and Aquatic Sciences">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

  1. Sperm whale
  2. Atlantic white-sided dolphin
  3. White-beaked dolphin
  4. Orca
  5. Long-finned pilot whale
  6. Phocoena phocoena (Harbour Porpoise)
  7. North Atlantic right whale<ref name="A black whale in sight! Please call Marine Mammal Emergencies!">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

  1. Common minke whale
  2. Blue whale<ref name="Blue Whale (Balaenoptera musculus)">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

  1. Humpback whale
  2. Fin whale

HistoryEdit

File:Dauphin Map of Canada - circa 1543 - Project Gutenberg etext 20110.jpg
Reproduction of map of 1543 showing Cartier's discoveries (c. 1909)
File:Basques Newfoundland.gif
Basque settlements and sites dating from the 16th and 17th centuries
File:A bend in the St. Lawrence, Quebec (I0006891).tif
Watercolour (Template:Circa) by Elizabeth Simcoe depicting a bend in the St. Lawrence River in Quebec

First NationsEdit

Flowing through and adjacent to numerous Indigenous homelands, the river was a primary thoroughfare for many peoples. Beginning in Dawnland at the Gulf of St. Lawrence, the river borders Mi'kma'ki<ref name="Gaspe">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> in the South (what is today known as the Canadian Maritimes), and Nitassinan in the North, the national territory of the Innu people.<ref>Nitassinan: The Innu Struggle to Reclaim Their Homeland, Douglas & McIntyre, December 1991, 240pp, by Marie Wadden, Template:ISBN, (book link) Template:Webarchive</ref> On the south shore beyond the Mi'kmaw district of Gespe'gewa'ki,<ref name="Gaspe"/> the river passes Wolastokuk (the Maliseet homeland), Pαnawαhpskewahki (the Penobscot homeland), and Ndakinna (the Abenaki homeland).<ref name=native-land>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Continuing, the river passes through the former country of the St. Lawrence Iroquois and then three of the six homelands of the Haudenosaunee: the Mohawk or Kanienʼkehá꞉ka, the Oneida or Onyota'a:ka, and the Onondaga or Onöñda’gaga’.<ref name=native-land/>

In the early 17th century, the Huron-Wendat Nation migrated from their original country of Huronia to what is now known as Nionwentsïo centred around Wendake.<ref name="Nionwentsio">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Nionwentsïo occupies both the north and south shores of the river,<ref name="Nionwentsio"/> overlapping with Nitassinan and the more western Wabanaki or Dawnland countries.<ref name=native-land/> Adjacent on the north shore is the Atikamekw territorial homeland of Nitaskinan<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and, upstream, the further reaches of Anishinaabewaki, specifically the homelands of the Algonquin and Mississauga Nations.<ref name=native-land/>

European explorationEdit

The Norse explored the Gulf of St. Lawrence in the 11th century and were followed by fifteenth- and early sixteenth-century European mariners, such as John Cabot, and the brothers Gaspar and Miguel Corte-Real. The first European explorer known to have sailed up the St. Lawrence River itself was Jacques Cartier. At that time, the land along the river described as "about two leagues, a mountain as tall as a heap of wheat" was inhabited by the St. Lawrence Iroquoians. During Cartier's second voyage in 1535, because Cartier arrived in the estuary on Saint Lawrence's feast day 10 August, he named it the Gulf of Saint Lawrence.<ref> Template:Cite book</ref> <ref>Template:Cite book</ref>

The St. Lawrence River is today partly within the U.S. and as such is that country's sixth oldest surviving European place-name.<ref>The Spanish names Florida, Dry Tortugas, Cape Canaveral, Appalachian, and California appeared earlier.....From Spanish historian Antonio de Herrera y Tordesillas's accounts, published in 1601 -- Template:Cite book</ref>

Early colonistsEdit

The earliest regular Europeans in the area were the Basques, who came to the St Lawrence Gulf and River in pursuit of whales from the early 16th century. The Basque whalers and fishermen traded with indigenous Americans and set up settlements, leaving vestiges all over the coast of eastern Canada and deep into the St. Lawrence River. Basque commercial and fishing activity reached its peak before the Armada Invencible's disaster (1588), when the Basque whaling fleet was confiscated by King Philip II of Spain. Initially, the whaling galleons from Labourd were not affected by the Spanish defeat.

Until the early 17th century, the French used the name Rivière du Canada to designate the St. Lawrence upstream to Montreal and the Ottawa River after Montreal. The St. Lawrence River served as the main route for European exploration of the North American interior, first pioneered by French explorer Samuel de Champlain.

Colonial controlEdit

Control of the river was crucial to British strategy to capture New France in the Seven Years' War. Having captured Louisbourg in 1758, the British sailed up to Quebec the following year thanks to charts drawn up by James Cook. British troops were ferried via the St. Lawrence to attack the city from the west, which they successfully did at the Battle of the Plains of Abraham. The river was used again by the British to defeat the French siege of Quebec under the Chevalier de Lévis in 1760.

In 1809, the first steamboat to ply its trade on the St. Lawrence was built and operated by John Molson and associates, a scant two years after Fulton's steam-powered navigation of the Hudson River. The Accommodation with ten passengers made her maiden voyage from Montreal to Quebec City in 66 hours, for 30 of which she was at anchor. She had a keel of 75 feet, and a length overall of 85 feet. The cost of a ticket was eight dollars upstream, and nine dollars down. She had berths that year for twenty passengers.<ref name="St Lawrence Saga: The Clarke Steamship Story - Before Clarke Steamship">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Within a decade, daily service was available in the hotly-contested Montreal-Quebec route.<ref>Template:Harvnb</ref>

Because of the virtually impassable Lachine Rapids, the St. Lawrence was once continuously navigable only as far as Montreal. Opened in 1825, the Lachine Canal was the first to allow ships to pass the rapids. An extensive system of canals and locks, known as the St. Lawrence Seaway, was officially opened on 26 June 1959 by Elizabeth II (representing Canada) and President Dwight D. Eisenhower (representing the United States). The Seaway (including the Welland Canal) now permits ocean-going vessels to pass all the way to Lake Superior.<ref name="The St. Lawrence Seaway, a Vital Waterway">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Modern CanadaEdit

Alcoa, Reynolds Metals Company, and General Motors (GM) Central Foundry operated along the St. Lawrence River and its tributaries for decades. The Alcoa plant opened in 1903, and Reynolds and GM began operations in the late 1950s. These facilities released toxic substances into the St. Lawrence River and the surrounding area, including PCBs, PAHs, cyanide, fluoride, and dioxins.

During the Second World War, the Battle of the St. Lawrence involved submarine and anti-submarine actions throughout the lower St. Lawrence River and the entire Gulf of St. Lawrence, Strait of Belle Isle and Cabot Strait from May to October 1942, September 1943, and again in October and November 1944. During this time, German U-boats sank several merchant marine ships and three Canadian warships.

In the late 1970s, the river was the subject of a successful ecological campaign (called "Save the River"), originally responding to planned development by the United States Army Corps of Engineers. The campaign was organized, among others, by Abbie Hoffman.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

In popular cultureEdit

File:Grand canoe reception given to the Prince of Wales on the St. Lawrence - ILN 1860.jpg
Grand canoe reception for the Prince of Wales on the St. Lawrence, 1860
  • Gatien Lapointe, Ode au Saint-Laurent, Éditions du Jour, Montréal, 1963, Paradis, A. (1963), report, 3 pages.<ref name="Ode to the St, Lawrence, poetry">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

|CitationClass=web }}</ref>

See alsoEdit

Template:Portal Template:Columns-list

ReferencesEdit

Template:Reflist

BibliographyEdit

Template:Refbegin Template:Columns-list

External linksEdit

Template:Sister project


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|group6= Historic geology |list6=

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| below= Template:Portal-inline }} Template:Vermont rivers Template:Authority control

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