The deepest point in the lake is 405 metresor 1,333 feet. A .gov website belongs to an official government organization in the United States. These factsare in no particular order because they are all so interesting. [37] Without the immense weight of the ice, the land rebounded, and a drainage outlet formed at Sault Ste. This rift lake in Siberia has a maximum depth of 5,371ft (1,637m). Future US, Inc. Full 7th Floor, 130 West 42nd Street, 10. Bob Berg Surfers enjoy the waves on Lake Superior, despite winter storm in Minnesota Tags Dcc Wire Cnn Latest video WA: TAKING PRECAUTIONS AMID RECORD COLD TEMPS CA: THOUSANDS WITHOUT POWER IN SANTA. Take a dive through one and all kinds of items are preserved. The larger cities on Lake Superior include the twin ports of Duluth, Minnesota, and Superior, Wisconsin; Thunder Bay, Ontario; Marquette, Michigan; and the twin cities of Sault Ste. It covers 82,000 sq km (31,700 sqmi)with an average depth of 147 metresor 483 feet. The largest island in Lake Superior is Isle Royale in Michigan. Even for the Thunder Bay area, a perilous swath of northern Lake Huron off the Michigan coast that has devoured many a ship, the Irontons fate seems particularly cruel. They are known as the Plano, and they used stone-tipped spears to hunt caribou on the northwestern side of Lake Minong. 8. 3. Worldwide Numbers. One of my very favorite places to visit is The Jampot. The robotic camera also showed the lifeboat tied to the ships stern. French explorers, including Samuel de Champlain (circa 1567-1635) and his scout, tienne Brl (circa 1592-1632), arrived in the mid-1600s, according to the Canadian Museum of History. [citation needed]. That day Reserve Mining Co. stopped dumping 67,000 tons a day of taconite tailings into Lake Superior. ), 23. Weather extremes fueled by. Walk to waterfalls. Subsequently, iron was extracted from many parts of the Lake Superior district, including the Marquette Range in Michigan and the Mesabi Range in Minnesota. Much of the coastal area is sparsely settled. As in all of Barrs books, the reader is totally immersed into the setting. Notable production includes gold from the Hemlo mine near Marathon, copper from the Keweenaw Peninsula and the Mamainse Point Formation, iron from the Gogebic Range, silver at Silver Islet, and uranium at Theano Point. The average water temperature is 40 F (4.4 C) lower than the other Great Lakes, which are farther south. Id like to have a runaway monk go missing so dont take my idea! Environment [25] 2019 and 2020 set new high-water records in nearly every month. Get a Britannica Premium subscription and gain access to exclusive content. 2. After the arrival of Europeans, the Anishinaabe made themselves middle-men between the French fur traders and other Native peoples. [25] Additionally, the entire first half of the year (January to June) included record low months. The land contours familiar today were carved by the advance and retreat of the ice sheet. By the early 1600s, the Ojibway people had established a village of several thousand on Madeline Island. Marie, becoming today's St. Mary's River. The Shield Archaic peoples arrived around 5000 BC; evidence of this culture can be found at the eastern and western ends of the Canadian shore. Lake Superior is 350 miles (563 km) long (east to west), and its greatest width is 160 miles (258 km) from north to south. As with many lakes, Lake Superior is home to many species of birds, including varieties of hawks, loons, owls and woodpeckers. Frequency of clerk visits and number of activity counts and interviews, by day type, cluster, shore area, and total area, for each cluster and day type in the 2021 Lake Superior summer creel survey. I was privileged to visit the monastery, thanks to a friend, and Id love to go back and talk to the monks again. Lake Superior Journal Henry Wadsworth Longfellow wrote this name as "Gitche Gumee" in the poem The Song of Hiawatha, as did Gordon Lightfoot in his song "The Wreck of the Edmund Fitzgerald". Like all of the Great Lakes, Lake Superior is prone to lake effect snow, but the weather is generally moderate, with warmer temperatures than inland throughout the year. A lock (LockA locked padlock) or https:// means youve safely connected to the .gov website. Geology is a hot area of study there, and the friend who introduced me to the monks makes beautiful agate jewelry and other pieces. Its been named one of the 100 most charming small towns in America for good reason. For comparison, the largest of the Great Lakes (Lake Superior) is only 25% as deep, with a maximum depth of 1,333ft (406m). Did you know these cool facts about this great lake? Right now, latex-gloved students are analyzing . Ballards organization provided an autonomous surface vehicle designed for seafloor mapping. Ojibwa natives called Lake Superior Gitche Gumee which means Big Sea Water. All 29 crew members died, and no bodies were recovered. It took two more years to track down the Ironton several miles away. 1. JavaScript appears to be disabled on this computer. The lakes drainage basin is 49,300 square miles (127,700 square km), exclusive of its surface area of 31,700 square miles (82,100 square km). Authorities worked. For five harrowing days between November 6 th and November 11 th, the massive storm ravaged the region. Relatively few pollutants enter Lake Superior, except through airborne transport, The shoreline and islands that rim the lake stretch 2,726 miles, Regents of the University of Minnesota ($500,000) for invasive species prevention. The search and inspections involved a number of organizations, including Ocean Exploration Trust, founded by Robert Ballard, who located the sunken wreckage of the Titanic and the German battleship Bismarck. 2. Average Depth*: 483 ft. Marie, Michigan, and Sault Ste. After days of searching, it spotted a figure that later was confirmed as the Ironton. From Kenora, Thunder Bay, Sault Ste Marie and Sudbury, Duluth, Marquette, Houghton, Keweenaw Peninsula, Upper Michigan, Sault Ste Marie, Cook Country, Minnesota. Perhaps the most famous Lake Superior shipwreck, the fated SS Edmund Fitzgerald freighter sank on November 10, 1975, killing all 29 crew members. Over 10,000 lives have been lost in her waters. They write new content and verify and edit content received from contributors. The lake's average depth is 483 feet while its deepest point is 1,333 ft. Lake Superior holds 2,900 cubic miles of water which is enough to cover South and North America to a depth of 12 inches. Lake Superior, most northwesterly and largest of the five Great Lakes of North America and one of the worlds largest bodies of fresh water. Apostle Islands Some of the world's oldest rocks, formed about 2.7 billion years ago, can be found on the Ontario shore of Lake Superior. But a wave overturned the craft, flinging everyone into the water. Lake Superior Shipwreck Map - Historically accurate shipwreck posters, of Lake Superior, 24 x 30 inches, shipped rolled in a tube. 109 W. Superior St. #200 Duluth, MN 55802 218-722-5002 edit@LakeSuperior.com. Over 10,000 lives have been lost in her waters. The Ironton is yet another piece of the puzzle of Alpenas fascinating place in Americas history of trade, while the Thunder Bay sanctuary continues to reveal lost chapters of maritime history.. Updates? The marine chart shows depth and hydrology of Lake Superior on the map, which is located in the Wisconsin, Michigan, Ontario state (Burnett, Rainy River District, Algoma District). The vessel is largely intact, Gray said. Lake Levels A high-resolution scan in 2021 provided more details. [50], As for other Great Lakes fish, populations have also been affected by the accidental or intentional introduction of foreign species such as the sea lamprey and Eurasian ruffe. In the winter there are ice volcanoes that look like an ordinary hill of snow, but inside is a hardened cone that erupts with a mixture of ice, water, and sleet. Lab-grown minibrains will be used as 'biological hardware' to create new biocomputers, scientists propose, Ancient Roman 'spike defenses' made famous by Julius Caesar found in Germany, 'Building blocks of life' recovered from asteroid Ryugu are older than the solar system itself, New Moai statue that 'deified ancestors' found on Easter Island, The ultimate action-packed science and technology magazine bursting with exciting information about the universe, Subscribe today and save an extra 5% with checkout code 'LOVE5', Engaging articles, amazing illustrations & exclusive interviews, Issues delivered straight to your door or device. The lake is so massive and its volume so large that, were it to be emptied at its current rate (with no compensating additions of water), it would take 191 years. Lake Superior boasts extremely clear water, with an average underwater visibility of 27 feet (8.2 m). Shipping Amethyst formed in some of the cavities created by the Midcontinent Rift, and there are several amethyst mines in the Thunder Bay area. This large lake has a hop on hop off bus service which goes around the whole lake the cost is 5 euros. The low water was a continuation of the dropping lake levels from the previous year, 1925, which set low-water records for October through December. But the lifeboat remains tethered to the bigger vessel, a poignant confirmation of witness accounts from 128 years ago. Annual lake-level fluctuations are less than 12 inches (30 cm). This is a result of the underdeveloped soils found in its relatively small watershed. The Kamloops is considered an expert dive due to the depths involved; most of the wreck lies below 200 feet. Pitz. The Trans-Superior International Yacht Race is the world's longest freshwater sailboat race. Just steps from the road, Gooseberry, Kakabeka, Rainbow and Tahquamenon falls alone make the drive worthwhile. Superior, Wisconsin 6. NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. Small planes can go missing in the vast forests. The sanctuary plans to reveal the location in coming months and is considering placing a mooring buoy at the site. Frederick Stonehouse February 09, 2023 3:42 PM James Bake, 31, fell from a cliff into Lake Superior while ice climbing on Feb. 7, according to the National Park Service. The ship, a 250 foot Canadian package freighter, wrecked in a severe storm in December, 1927. The French Jesuit missionary Claude-Jean Allouez circumnavigated and charted the lake in 1667. With 78 crewmembers dead, their sinking marked the largest loss of life on Lake Superior to date. The dense basaltsofLake Superior acted like a wall or brake for theglaciers 18,000 years ago, which is why there is adriftless area in Wisconsin today. Please refer to the appropriate style manual or other sources if you have any questions. The man was found in the waters off Bay Mills Township following a search by boat of the area; Lake Superior is home to about 80 species of fish, including carp and varieties of trout, salmon and perch. Twice per year, however, the water column reaches a uniform temperature of 39F (4C) from top to bottom, and the lake waters thoroughly mix. $21.95 USD Plus $15.00 USD Shipping Shipwreck Map Economy ~ Shipping Economy ~ Shipping Previous Next Health Health Previous Next Ontario Previous Next Minnesota Minnesota Previous Next Public Safety Crime Extensive forests, which dominate the watershed, are held in federal, state, provincial, and private timberlands. Lake Superior empties into Lake Huron via the St. Marys River and the Soo Locks (Sault Ste. This feature makes the lake dimictic. But the U.P. If trends continue, Lake Superior, which freezes over completely once every 20 years, could routinely be ice-free by 2040[27] although more current data through 2021 does not support this trend. Blog Post And Superior has been pounded by three 500-year to one 1,000-year storm events in the past eight years. The U.S. Coast Guard found the bodies of Kimberly. The Objibways said that the lake was protected by Nanabijou, Spirit of the Deep Sea Water, according to the University of Wisconsin. Divers could attach their boats to the floating device and head down to explore the long-lost craft. Anna has to go on a dive of her own to investigate a murder. Mike Link Those lyrics got across so much of the mystery and danger found in the lake. Winter Less winter ice cover allows more solar radiation to penetrate and warm the water. It was during the Penokean orogeny, part of the process that created the Great Lakes tectonic zone, that many valuable metals were deposited. The Windigo is a vengeful spirit in myth up in the U.P. Deadliest lakes in Texas Recently released state figures ranked Texas' deadliest lakes. 17. St. Louis River Park rangers responded to the incident after receiving a distress call on marine band radio from the charter company vessel Lake Superior Diver. Staffers with the sanctuary, part of the National Oceanic and Atmospheric Administration, took a sonar survey in the area of the Ironton-Ohio collision in 2017. They used bows and arrows, paddled dugout canoes, fished, hunted, mined copper for tools and weapons, and established trading networks. Shipwrecks hold onto their mysteries too. Toll Free Phone: 800-635-1742; Great Lakes Shipwreck Museum - Whitefish Point; 18335 N. Whitefish Point Road, Paradise, MI 49768; 888-492-3747 Contact Us; The Great Lakes Shipwreck Historical Society. Though presently isolated, prehistorically the Caspian has been repeatedly connected to and then isolated from the Mediterranean via the Black Sea. Archaeologists study things to learn about the past. A person adrift without a life raft stands little chance of survival. Trade remained in the hands of the British until 1817, when John Jacob Astors American Fur Company took over south of the Canadian border. Isle Royale in Lake Superior As mentioned before, the Great Lakes hold over 5,400 cubic miles of water. Rip currents take swimmers unaware (if youre brave enough to put a toe in the icy water!) Zoom - The Heartbeat of Trees - Book Discussion, The Shipwreck Coast's Lost Whalebacks: The Story of Barge 129 and Sagamore, Fatal Diving Accident at Isle Royale; Kamloops Wreck Temporarily Closed, Around the Circle This Week: March 2, 2023, Around the Circle This Week: February 23, 2023, Around the Circle This Week: February 16, 2023, Around the Circle This Week: February 9, 2023, Around the Circle This Week: February 2, 2023, Lake Superior Journal: The Vanishing Act at Pebble Beach, From Dishwasher to President: Brian Daugherty of Grandmas Restaurants. 16. An ancestor of mine lived there for a time in about, donna Creamore | Lake Superior Journal: The Vanishing Act at Pebble Beach, In 1976, I married my wife and we took a camping honeymoon. Lake Ontario And its not just the lake itself thats dangerous and mysterious. The last time Lake Superior froze over was in 2014. Coordinates: 47.90161354, -87.55004883. Duluth 4. Ojibwa natives called Lake Superior Gitche Gumee which means Big Sea Water. Researchers announced last Wednesday the discovery of the Nucleus, a surprisingly intact shipwreck found 40 miles off the coast of Michigan's Upper Peninsula. Dive teams . The principal islands in the lake are Isle Royale, a U.S. national park; the Apostle Islands, near the Wisconsin shore; Michipicoten, on the east side; and St. Ignace, near the mouth of the Nipigon River (Canada). Ice covers rocks on Lake Superior. Share sensitive information only on official, secure websites. Articles from Britannica Encyclopedias for elementary and high school students. Large cargo vessels called lake freighters, as well as smaller ocean-going freighters, transport these commodities across Lake Superior. [38] The people of the Laurel complex (c. 500 BC to AD 500) developed seine net fishing, evidence being found at rivers around Superior such as the Pic and Michipicoten. Blessed with fine golden sand and deep blue lake water, Sand Point Beach is a really popular location, with something appealing to everybody. The location of the shipwreck was unknown until sport divers located the wreck in 1977. They picked up the other two Ironton men. Recognizing the unique qualities of this resource, the United States and Canada are working to restore and protect the Lake Superior Basin. Lake Superior has an average underwater visibility of 27 feet (8.2 meters). Take. LAKE SUPERIOR = 5. And the Netflix drama "Ozark," which has its own high body count, films . Six of seven crew members died. The National Park Service on Saturday identified the two victims as Kimberly Aiello of Troy, Michigan, and David Delegato of Shelby Township, Michigan. lake superior death toll. Lake Superior is the world's largest freshwater lake by surface area - 31,700 square miles (82,100 square kilometers) - and holds 10 percent of the world's surface freshwater. Lake Superior is 350 miles (563 km) long (east to west), and its greatest width is 160 miles (258 km) from north to south. Magma was injected between layers of sedimentary rock, forming diabase sills. The lake's average surface elevation is 600 feet (183m)[8][19] above sea level. The kayakers were reported missing Thursday evening at. Lake Superior is, by surface area, the largest lake in the world. Lake Superior is a vast fresh water resource that has not experienced the same levels of development, urbanization and pollution as the other Great Lakes. The maximum wave ever recorded on Lake Superior was 9.45 metresor 31 feet high. Wildlife Duluth, Minnesota has an average of 52 days of heavy fog each year. 21. 49300 surface area (sq mi) 1333 max. Located above Michigan's Upper Peninsula, Lake Superior is the largest freshwater lake in the world. One of my favorite towns is Houghton/Hancock. Rangers are currently working with the Keweenaw County Medical Examiner to determine a cause of death and to investigate the circumstances of the accident. They used snowshoes, birch bark canoes and conical or domed lodges. Minnesota, Wisconsin, Michigan. Ive read all Hamiltons books, and they have a great sense of place up in the U.P. BRASILIA, Brazil The death toll from an accident in which a slab of cliff rock toppled onto pleasure boaters on a Brazilian lake has risen to 10, police said Sunday. The principal ports along the lakes south shore are Ashland (Wisconsin), Hancock and Houghton (both on a 25-mile- (40-km-) long canal across the Keweenaw Peninsula, Michigan), and Marquette. This warm season fog occurs when when moisture in the warm air condenses as it flows over the cold lake. Lake Superior is the largest freshwater lake on Earth by surface area, spanning a vast 31,700 square miles. The deepest point in Lake Superior is 1,300 feet (400 meters) below the surface, making a complete freeze a rarity. The bodies sink and dont float. However, nitrate concentrations in the lake have been continuously rising for more than a century. Lake Superior is the largest freshwater lake in the world by surface area[a] and the third-largest by volume, holding 10% of the world's surface fresh water. The steamer broke down in heavy Lake Huron seas around 12:30 a.m. the morning of Sept. 26. The average depth is 483 ft (147 m), and the max depth is 1,333 ft (406 m). August 2021 was the first time since April 2014 that Lake Superior was at its long-term monthly average ( 183.54 cm) water level, ending 87 consecutive months above average. When you purchase through links on our site, we may earn an affiliate commission. Click to share on Twitter (Opens in new window), Click to share on Google+ (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Pocket (Opens in new window), Writing About the Origins of the British Secret Service, Jeffery Deaver's Guide to Writing Page-Turning Fiction, Seven Crime Novels Centered Around Musicians Out in 2023, An Author's Guide to Stealing from the Books You Love, The Many Levels of Mystery: Whodunnit? to Whydunnit? and Beyond, The Literary Film and TV You Need to Stream in March, Tracey Rose Peyton: Exploring Six Stories of Motherhood for Enslaved Women, The Day Explorers Finally Found One of the Worlds Great Lost Shipwrecks, What If? When I was writing Haven of Swans, I stumbled across an article about how the mute swans were taking over the habitat of the native trumpeter swans. Climate change is affecting Lake Superior in some volatile ways. Lloyd W. Krohn, 55, of Wyoming, Minnesota, was diving in a party of three on a charter SCUBA trip to the park operated by Isle Royale Charters, Inc. At approximately 11:00 am EDT, soon after descending to their target depth, his two partners noticed that Krohn was experiencing an unknown difficulty. mi. Vessels cruised to and from Lake Huron and Lake Michigan through the nearby Straits of Mackinac. And its surface area is about the same size as South Carolina. Toll Free Central Reservations (US & Canada Only) 1 (800) 780-7234. Let us know if you have suggestions to improve this article (requires login). 1334 Hotel Reviews. There is also a walking path around the lake but it is 20+ kilometers. Lake Superior heats up much warmer than the water. And I just shiver at the lyrics about how the lake sings in its ice-room mansion. On the fateful night, the Ironton and another schooner barge, the Moonlight, were being towed northward from the Lake Erie town of Ashtabula, Ohio, by a steam-powered ship a common practice then, much as a train engine pulls freight cars on a railroad. [19] It is also a reflection of relatively small human population and small amount of agriculture in its watershed. The water temperature hovers near freezing for most of the year. Isle Royale Officials have kept the find secret to prevent divers from disturbing the site before video and photo documentation is finished. Here Are the Best Reviewed Books of the Month. Recognizing the unique qualities of this resource, the United States and Canada are working to restore and protect the Lake Superior Basin. Land Drainage Area: 49,300 sq. Lake Superior is a major shipping hub. Kids & Family Marie, Ontario. Creel survey clusters and stations in the 2021 Lake Superior summer creel survey 10 Table 2. Our editors will review what youve submitted and determine whether to revise the article. He was spotted by the boat crew and was brought aboard unresponsive and not breathing. A team of historians, underwater archaeologists and technicians located the wreckage in 2019 and deployed remotely controlled cameras to scan and document it, Superintendent Jeff Gray said in an AP interview. The first European to see Lake Superior was probably the French explorer tienne Brl in 1622. The tragedy was memorialized by Gordon Lightfoot's classic folk song "The Wreck of the Edmund Fitzgerald.". [44] In 1918 the last warships to sink in the Great Lakes, French minesweepers Inkerman and Cerisoles, vanished in a Lake Superior storm, perhaps upon striking the uncharted danger of the Superior Shoal in an otherwise deep part of the lake. [46] Joe MacInnis reported that in July 1994, explorer Frederick Shannon's Expedition 94 to the wreck of Edmund Fitzgerald discovered a man's body near the port side of her pilothouse, not far from the open door, "fully clothed, wearing an orange life jacket, and lying face down in the sediment". Iron ore is exported from Taconite Harbor and Two Harbors (Minnesota) and from Marquette (Michigan). Today, tourism is another significant industry: the sparsely populated Lake Superior country, with its rugged shorelines and wilderness, attracts vacationers and adventurers. Sand Point Beach. Freezing of the lakes is monitored because it affects hydropower generation, commercial shipping, the fishing industry and more, according to the Office of Oceanic and Atmospheric Research. By 1921, development in support of transportation and hydroelectric power resulted in gates, locks, power canals and other control structures completely spanning St. Marys rapids. [40][41] Ice closes the lake shipping from mid-January to late March. [38], The Anishinaabe people, which includes the Ojibwe or Chippewa, have inhabited the Lake Superior region for over five hundred years and were preceded by the Dakota, Fox, Menominee, Nipigon, Noquet and Gros Ventres. Thousands of schooners, or sailing ships, and hundreds of steamers hauled cargo and passengers between bustling port cities such as Chicago, Detroit and Cleveland. By the mid-18th century, the Ojibwe occupied all of Lake Superior's shores.[39]. 3. One of the most well-known incidents occurred on November 10, 1975, when the Edmund Fitzgerald, a large cargo ship carrying iron ore, encountered a severe storm that killed the ship's 29 crew members. Her life . Wreckage of SSCyprusa 420-foot (130m) ore carrier that sank on October 11, 1907, during a Lake Superior storm in 77 fathoms (460ft or 140m) of waterwas located in August 2007. A blizzard can catch hikers unawares. Lake Superior is the largest freshwater lake in the world in area and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. They also sell fresh baked cookies and other treats as well as wonderful coffee they roast themselves. The increase in the lake's surface temperature may be related to the decreasing ice cover. Most of the Pukaskwa Pits were likely made during this time. HOUGHTON, MI On Saturday, July 13, a recreational SCUBA diver exploring the Kamloops shipwreck at Isle Royale National Park was fatally injured in a diving accident. The "Great Storm of 1913" (also described as the "Freshwater Fury" or the "White Hurricane") is remembered as the worst natural disaster in the recorded history of the Lakes. Lake Superior Contains Three Quadrillion Gallons of Water We were easily able to confirm that this claim is indeed true. His setting is Sault Ste Marie, known as the Soo. At Thunder Bay, grain from the Canadian prairies is transferred from rail to ship. The area was settled by Finns which is one of my favorite cultural groups since Ive been to Finland and know a lot about it. Winter temperatures around the lake rarely fall below minus 30 F (minus 34 C), well above inland temperatures. SSEdmund Fitzgerald was the latest ship to sink in Lake Superior, 15 nautical miles (28km; 17mi) from Whitefish Point in a storm on November 10, 1975. Surrounded by dense forests and relatively sparse populations, more than 80 species. Species native to the lake include banded killifish, bloater, brook trout, burbot, cisco, lake sturgeon, lake trout, lake whitefish, longnose sucker, muskellunge, northern pike, pumpkinseed, rock bass, round whitefish, smallmouth bass, walleye, white sucker and yellow perch. [14], In the 17th century, the first French explorers approached the great inland sea by way of the Ottawa River and Lake Huron; they referred to their discovery as le lac suprieur (the upper lake, i.e., above Lake Huron). A favorite lunch is the ubiquitous pasty. The lake really doesnt give up its dead easily because the water is so cold that bacterial action is inhibited. [8] Its average depth is 80.5 fathoms (483ft; 147m) with a maximum depth of 222.17 fathoms (1,333ft; 406m). The latest-reported fatalities - seven in Lake County and two in Sumter - raise the area's COVID-related death toll to 817, including 574 in Lake and 243 in Sumter. 'Superior' describes not only its size and volume, but also its setting. The mountains steadily eroded, depositing layers of sediments that compacted and became limestone, dolomite, taconite and the shale at Kakabeka Falls. Since 2000, 156 people have died on state lakes. Other well-known islands include Madeline Island in Wisconsin, Michipicoten Island in Ontario, and Grand Island (the location of the Grand Island National Recreation Area) in Michigan. It has a maximum length of 350 statute miles (560km; 300nmi) and maximum breadth of 160 statute miles (257km; 139nmi).