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61-403: New Haven Harbor is an inlet on the north side of Long Island Sound in the state of Connecticut . Centered on the city of New Haven , the state's third largest, it was carved by the retreat of the glaciers during the last ice age approximately 13,000 years ago. The New Haven neighborhoods of City Point , Long Wharf , The Annex , and East Shore lie on the northern and eastern sides, with

122-894: A mainstay of striped bass and other pelagic fish . The ban of netting of bunker - which were over-fished in the late 1990s - has significantly improved the quality and volume of the striped bass population in Long Island Sound. Underwater cables transmit electricity under Long Island Sound, most notably a new and controversial Cross Sound Cable that runs from New Haven in western Connecticut, to Shoreham in central Long Island, and an older one from Rye in Westchester County to Oyster Bay on Long Island. Scientists debate whether submarine power cables are safe for marine ecosystems, but installations like large-scale armoing around cables helps to protect overall ecological impact and provides ecosystem regeneration. Over

183-621: A thin amount of drift, often not continuous. Other shoals and islands off the Connecticut coast are a mixture of these two extremes. The glacier also created several sandy outwash deltas off the coast, including one off Bridgeport, Connecticut , and another off New Haven, Connecticut . Fishers Island, New York , appears to be related to the Harbor Hill Moraine. To the east of the Thimble Islands, inland moraines along

244-404: A type of goose. During the 1930s, the Long Island Sound was struck by an outbreak of a mold infection known as " eelgrass wasting disease ". As a result, most of the eelgrass that grew in the sound was killed off, and as an extension, populations of wildlife in the area that depended upon the eelgrass either as food or as a habitat went into a sharp decline. During the succeeding decades, areas along

305-654: A wide variety of deposits, e.g. loess , glacial till, river deposits, colluvium , and so forth, of Quaternary age. However, this term is most commonly used to specifically describe glacial deposits. In 1839, geologist Roderick Murchison introduced the term drift to describe unconsolidated surficial sediments previously called diluvium . The term drift refers to the drift hypothesis proposed by Charles Lyell , as influenced by contemporary polar research, that these sediments had been transported by sea ice and icebergs drifting in marine currents. The drift hypothesis further proposed that these sediments had been released as

366-506: Is a shift in the types of plankton that make up their community in Long Island Sound. Over the last several decades, excess nitrogen may have adversely affected diatoms —microscopic, single-celled algae at the base of the food chain, which make shells ('frustules') of opaline silica. When diatoms are less productive, they are replaced by other phytoplankton such as dinoflagellates or blue-green algae , which grow well in waters with high nitrogen levels, but do not need silica . Such changes in

427-474: Is dependent upon sunlight, and the water of the Long island Sound can be very murky. Eelgrass roots help stabilize muddy sediments and can trap moving sand, helping prevent erosion. The leaves, that can range in size from less than 1 m to 2 m long, slow currents, providing calm environments for many species of mollusks and other invertebrates. Eelgrass is also an important food source for waterfowl, especially brant ,

488-589: Is inhabited by both marine fish and anadromous fish (oceanic or estuarine species that spawn in freshwater streams and rivers, see fish migration ). The most common marine fish in the Sound include porgy , butterfish, winter flounder , summer flounder , windowpane flounder , fourspot flounder , northern and striped sea robin , little skate , menhaden, Atlantic silversides, black seabass , blackfish (tautog), cunner , bluefish , and smooth dogfish . Frequently Atlantic bonito and false albacore , both members of

549-614: Is now Long Island (the terminal moraine ). When the ice sheet stopped advancing 18,000 years ago (as addition of snow at the origin was in equilibrium with the melting at the southern edge), a large amount of drift was deposited, known as the Ronkonkoma Moraine, which stretches along much of southern Long Island. Later, another period of equilibrium resulted in the Harbor Hill Moraine along most of northern Long Island . The next moraines ( recessional moraines ) to

610-400: Is one of the few vascular plants found in the marine environment. Despite its name, it is actually not a species of underwater grass; instead, it is a plant that bears a physical resemblance to grass. It can tolerate a wide range of water salinity. It grows on muddy to sandy sediments (even among rocks), mostly below low tide, often forming large meadows. it grows best in shallow water because it

671-793: The American toad , and the hognose snake (which feeds on Fowler's toads). There are six broad categories of bird habitats near Long Island Sound: (1) open water areas, including bays, coves, rivers and the Sound itself; (2) tidal marshes; (3) mudflats; (4) sandy beaches; (5) offshore islands; and (6) mainland uplands, including woodlands and fields. Some birds are summer residents or winter residents, while others are spring and fall transients. Year round residents include herring gull , great black-backed gull , common tern and double-crested cormorant . Coastal migrants (also called "transients") include shorebirds such as plovers , turnstones , sandpipers , willet and yellowlegs . Summer residents include

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732-542: The Atlantic oyster drill , the northern moon snail , Atlantic moon snail , the channeled and knobbed whelks . Crustaceans include crabs , shrimp and lobsters . In the Sound there are the green crab (a non-native species first reported in Boston around 1900, but a common crab found on the shore, where it feeds on eastern oysters and soft-shell clams ), blue crab , red crab , Jonah crab in deepwater areas, and

793-545: The Atlantic rock crab , which settles in large numbers along rocky shores, especially around Millstone Point, Niantic Bay and Fishers Island Sound. Other crabs found include the lady crab , spider crabs , and fiddler crabs ; hermit crabs and mole crabs are also found. By the late 1980s, the Japanese shore crab , an invasive species, was the most commonly found crab in the sound. The sand shrimp Crangon septemspinosa and two species of grass shrimp are plentiful along

854-480: The Cross Sound Ferry (between Orient Point and New London ). The ferries that cross Long Island Sound carry automobiles, trucks and buses, as well as foot passengers. Long Island Sound has historically had rich recreational and commercial fishing , including oysters , lobsters , scallops , blue crabs , tuna flounder , striped bass , and bluefish . However, in recent years the western part of

915-625: The Köppen climate classification . Summers are hot and humid often with convective showers and strong sunshine, while the cooler months feature cold temperatures and a mix of rain and occasional snow. About 18,000 years ago, Connecticut, Long Island Sound, and much of Long Island were covered by a thick sheet of ice, part of the Late Wisconsin Glacier . About 3,300 feet (1,000 m) thick in its interior and about 1,300 to 1,600 feet (400 to 500 m) thick along its southern edge, it

976-1028: The Throgs Neck Bridge in the early 1960s. The Long Island Sound ecosystem has historically been polluted by a number of different sources, including industry , agriculture and communities (untreated sewage and urban runoff ). Pollutants entering the Sound include toxic substances such as heavy metals ; a specific example includes mercury discharged by the hatting industry in Danbury, Connecticut . Other pollutants include pathogens , debris, and nutrients (which contain nitrogen and phosphorus from fertilizer runoff). Eutrophication occurs when bodies of water, like Long Island Sound, are exposed to higher levels of nutrients like nitrogen, causing harmful overgrowth of cyanobacteria that feed on them. Eutrophication can also lead to algal blooms and eventually hypoxia , when runoff into water causes rapid development of algae and phytoplankton that blocks

1037-399: The northern yellow periwinkle , the blue mussel (a popular, edible species), the eastern oyster , the Atlantic slipper shell or "common slippershell" ( Crepidula fornicata ), the hard clam (also known as the quahog, little neck clam or cherrystone clam), the Atlantic bay scallop , the mud snail (also known as the eastern mud nassa ), the salt marsh snail (or " coffee bean snail "),

1098-420: The osprey , seaside sparrow , saltmarsh sparrow , clapper rail , mallard and black duck , herons and egrets , including the black-crowned night heron and snowy egret as well as the least tern and piping plover . Upland species include the yellow warbler , red-eyed vireo , red-winged blackbird and Carolina wren . Winter residents include large flocks of ducks , geese , and swans winter in

1159-399: The pannes are sea lavender , salt marsh aster , seaside gerardia , and some species of glasswort . Plants found near the border of the marsh with the upland include bayberry and groundsel-tree shrubs, switchgrass (growing where occasional storm tides reach), reeds and marsh elder . In areas where the Sound's salt water is more diluted with freshwater from rivers, including along

1220-481: The Atlantic Coast, tagged individuals sometime being identified in multiple rivers during their lifetimes. Long Island Sound was formed when the terminal moraine that dammed the waters of glacial Lake Connecticut failed, and sea water mixed with the lake's fresh waters. Prior to colonization, it's estimated that around 10,000 to 15,000 natives inhabited along Long Island Sound. The first European to record

1281-480: The Connecticut coast include the broken Madison Moraine and the Old Saybrook Moraine. The Long Island Sound basin existed before the glaciers came. It probably had been formed by stream flows. A relatively thick cover of sand and gravel (termed outwash ) was left in the basin from glacial meltwater streams. On the west, a ridge rising to about 65 feet (20 m) below the present sea level is called

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1342-488: The Connecticut coast saw a slow gradual recovery of eelgrass populations. Unfortunately, the north shore of Long Island did not see much success, and efforts have been made to re-introduce eelgrass by planting it, especially in the eastern part of the Long Island Sound in the waters of Suffolk County. It is unlikely that the Long Island Sound will experience a complete recovery of its eelgrass population because there are still occasional outbreaks of eelgrass wasting disease within

1403-424: The Connecticut shore is the northern limit. Mature upland vegetation along the Connecticut coast is mostly hardwood forest, with dominant tree species including oaks and hickories, especially white oak , black oak , pignut hickory and mockernut hickory . Other trees include sassafras , black gum , and black cherry . Mature trees tend to be sparse in coastal forests, likely because of their greater exposure to

1464-583: The Long Island Sound Study (LISS) in 1985 with plans for restoration and clean-up projects in the region. More habitat conservation, health monitoring, and pollution standards have been established between NY and CT in the years since to protect the estuary for future generations. Ferries provide service between Long Island and Connecticut, notably the Bridgeport & Port Jefferson Ferry (between Port Jefferson and Bridgeport ), and

1525-483: The Mattatuck Sill. Its lowest point is about 80 feet (24 m) below sea level. Glacial meltwater formed " Lake Connecticut ", a freshwater lake in the basin, until about 8,000 years ago, when the sea level rose to about 80 feet (24 m) below today's level. Seawater then overflowed into the basin, transforming it from a nontidal, freshwater lake to a tidal, saline arm of the sea. Numerous rivers empty into

1586-659: The Quinnipiac and mill rivers. It also can be traversed via the partially completed "Harborside Greenway" bicycle and pedestrian trail, which is part of the East Coast Greenway system. Long Island Sound Long Island Sound is a marine sound and tidal estuary of the Atlantic Ocean . It lies predominantly between the U.S. state of Connecticut to the north and Long Island in New York to

1647-424: The Sound in the twentieth century were the 1938 hurricane, the 1955 hurricane, Hurricane Belle in 1976, Hurricane Gloria in 1985, Hurricane Irene in 2011, and Hurricane Sandy in 2012. After Hurricane Belle, leaves near the coast were badly salt-burned, then turned brown and shriveled. Many trees were downed by the storm, leaving openings in the forest cover, promoting the growth of vines and shrubs. The Sound

1708-583: The Sound include Stamford , Norwalk , Bridgeport , New Haven , and New London . Cities on the New York side of the Sound include Rye , Glen Cove , New Rochelle , North Hempstead , Oyster Bay , Smithtown , Port Jefferson , Brookhaven and Riverhead , Larchmont , Mamaroneck and portions of Queens and the Bronx in New York City . The climate of Long Island Sound is warm temperate or Cfa in

1769-722: The Sound include the eastern spadefoot , a rare, toadlike amphibian that hasn't been recorded in the area since 1935. Its overall coloring is beige or off-white with a pattern of green markings. Small orange dots punctuate this pattern. As many as 1,500 shortnose sturgeon , listed as 'endangered' by the Endangered Species Act, inhabit the Connecticut River. Approximately 900 of those live downstream of Holyoke Dam. While shortnose sturgeon primarily remain in their natal rivers, they will feed in estuarine waters like Long Island Sound and make extended trips along

1830-454: The Sound, e.g. blue shark, mako shark, hammerhead shark and thresher shark, there are only four species of sharks which are regularly found in the area. These are the sand tiger shark , the sandbar shark , the spiny dogfish and the smooth dogfish . Mollusks ( gastropods and bivalves ) that can be found include the rough periwinkle near the high-tide line, the European periwinkle ,

1891-457: The Sound, including: Connecticut New York Rhode Island The whole watershed population is about 8.93 million as of the 2010 census. Due to extent of the Connecticut River, many riverside cities and towns are included in the Long Island Sound watershed. The largest towns and cities from south to north, west to east are: Seaweeds in the Sound occur in greatest abundance in rocky areas between high tide and low tide as well as on rocks on

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1952-641: The Sound. Few undisturbed beach and dune systems exist on the Connecticut shore, the ones that do are located along the eastern portion of the coastline (east of the Connecticut River). Sea rocket and dune grass occur here, but not in abundance. Dune grass and plants that thrive on dunes are largely responsible for the creation and growth of the dunes. On the seaward side of dunes can be found Lathyrus japonicus (beach pea), Dusty Miller , and seaside goldenrod . Other beach plants are orache , beach clotbur , seaside spurge , and jimson weed . On

2013-713: The Sound. In West Haven, Connecticut 8,000 scaup (also called broadbills or bluebills) were regularly counted in the 1970s. Greater scaup , black ducks , mallards , and Canada geese are among the most abundant wintering birds. There are also significant populations of red-breasted mergansers , common goldeneyes , buffleheads , white-winged scoter , American wigeon (also sometimes called baldpate), long-tailed ducks and mute swans . Others (less abundant) include gadwalls , northern pintails , green-winged teal , northern shovelers (also sometimes called broadbill), ruddy ducks , redheads , ring-necked ducks , snow geese , and brant . Rare, endangered and extinct species of

2074-764: The area. Specifically 25–35% of the tidal wetlands in the Sound have been dredged, filled, and developed over and hypoxia and eutrophication resulting from pollution have led to low dissolved oxygen levels (less than 4.8 mg of oxygen per liter) in the water. The low dissolved oxygen levels limit the fishes' ability to swim, feed, grow and reproduce and loss of habitat prevents success in fish larval growth. The impacts listed here are directly associated with these specific species in Long Island Sound: killifishes, silversides, bay anchovy, eels, menhaden, cunner, tautog, sticklebacks, winter flounder, weakfish, bluefish, tomcod and striped bass. An example of impacts from nitrogen

2135-584: The base of the food chain leads to consequences such as an increase in abundance of jellyfish and decline in shellfish and other fish. Drift (geology) In geology, drift is a name for all sediment ( clay , silt , sand , gravel , boulders ) transported by a glacier and deposited directly by or from the ice, or by glacial meltwater . Drift is often subdivided into (unsorted and) unstratified drift (glacial till ) that forms moraines and stratified drift (glaciolacustrine and fluvioglacial sediments) that accumulates as stratified and sorted sediments in

2196-461: The city of West Haven on the west. The Quinnipiac and Mill rivers converge and empty into the inlet on its north end, and the West River joins at the west (also known as West Haven Harbor). A peninsula, once known as "Little Necke" but since as Lighthouse Point after the light constructed on its tip in 1805, protects the harbor from the west. The original lighthouse was replaced in 1845 by

2257-447: The coastal area (and elsewhere), including the diamondback terrapin in salt marshes and brackish waters (and deposits and hatches its eggs on nearby sandy beaches). Terrapin meat became such a popular delicacy in the early 1900s that the price for a dozen adult females reached as high as US$ 120. Overhunting made the species uncommon and even rare through most of the Sound and eliminated at some places. After its popularity as food declined,

2318-576: The current Five Mile Point structure. It was replaced for navigation in 1877 by the offshore Southwest Ledge Light . Sperry Lighthouse (1899–1933) also served the harbor. In July 1779, during the American Revolutionary War , the peninsula was the scene of an amphibious landing by British troops. The harbor is crossed by U.S. Interstate-95 via the Pearl Harbor Memorial Bridge at the confluence of

2379-582: The east of each, where the drift cover is thinnest, exposed bedrock , creating rocky headlands, often with marshlands behind them. The Captain Islands off Greenwich, Connecticut , along with the Norwalk Islands and Falkner Island off Guilford, Connecticut , are parts of a recessional moraine . Other islands, including the Thimble Islands , are for the most part exposed bedrock with

2440-813: The economic and population growth the Industrial Revolution created led to increased pollution. Around the 1950s and 60s, the US Government began to recognize more of the environmental impacts pollution was having on water quality, as well as human health around regions like Long Island Sound. After the Clean Water Act was passed federally in 1972 to protect water quality around the US, the Environmental Protection Agency partnered with Connecticut and New York to pass

2501-735: The existence of Long Island Sound was the Dutch navigator Adriaen Block , who entered the sound from the East River in 1614. The sound was known as The Devil's Belt in colonial times and the reefs that run across the sound were known as Devil's Stepping Stones, from which Stepping Stones Lighthouse got its name. As the Industrial Revolution grew, Long Island Sound began to be utilized more for manufacturing and production uses that are still observed to this day, like textiles, metal finishing, fishing, and oyster harvesting. Yet,

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2562-554: The form of outwash plains , eskers , kames , varves , and so forth. The term drift clay is a synonym for boulder clay . Both are archaic terms for glacial tills with a fine-grained matrix. In the United Kingdom, drift is also applied as a general term for all surficial, unconsolidated, rock debris and sediment that is moved from one place to accumulate in another and mapped separately or otherwise differentiated from underlying bedrock . In this usage, drift includes

2623-753: The marshy areas of the intertidal zone can be found Cladophora ( mermaid's hair ), Ulva ( sea lettuce ) and Codium . In the subtidal zone (below low tide) are Palmaria palmata a red alga, along with two algae, Laminaria ( kelp ) and Chorda . Kelp can often be found washed up on the beach, and individual specimens are not uncommonly a yard or two long. Deeper in the subtidal zone are red algae such as Spermothamnion , Antithamnion and Callithamnion , which also often float freely. In tidal pools can be found red or pink colored Phymatolithon , which can often encrust rocks and mollusk shells. Also present are green algae, including Ulothrix , Cladophora , and Ulva . Tidal marshes are some of

2684-409: The more protected landward side of dunes are beach plum , bayberry and beach rose . Rare species found on the landward side are beach knotweed and sand false heather . In areas next to the shoreline but hardly ever salty, the sound's environment can nevertheless be a crucial factor in the presence of certain species. Areas near the Connecticut shore are the northern limit for some species needing

2745-429: The most productive biological systems in the world. Along the sound, they produce three to seven tons per acre per year of vegetation, largely in the form of salt marsh grasses. Much of this, enriched by decomposition, is flushed yearly into the estuary water where it directly contributes to the great finfish and shellfish production of the sound. Salt water cordgrass ( Spartina alterniflora ) grows along ditches and on

2806-555: The north were created just on and off the Connecticut coast. These moraines, created by much smaller deposits (probably from equilibrium states that were much shorter in time) are discontinuous and much smaller than those to the south. The Connecticut coast moraines are in two groups: the Norwalk area and the Madison - Old Saybrook area. Sandy plains and beaches resulted from the erosion of moraines and redeposition in these areas, and to

2867-414: The salt marshes of western Connecticut. Rodents include the white-footed mouse , the meadow vole (probably the most abundant coastal mammal) and the meadow jumping mouse . Muskrats are heavily trapped but remain abundant. Raccoons and red foxes who live in areas near the marshes will hunt in them. The long-tailed weasel and short-tailed weasel are both found near the Sound, occasionally living in

2928-483: The salt marshes. Dolphins are occasionally spotted in Long Island Sound, along with Harbor seals and gray seals that can be found among the rocks off Stonington and Groton at the eastern end. Long-finned pilot whales and harbor porpoises can also be infrequently sighted in open water, a few miles off the coast. In 1975, a finback whale beached itself in Groton. Animals that need moist woodlands are found in

2989-649: The sea floor. Green seaweed populations fluctuate with the seasons. Monostroma , reproduces in the early spring and dies out by late summer. Grinnellia appears in August and disappears four to six weeks later. In the rocky areas of the intertidal zone there are the seaweeds characterized by their brown tone, Fucus and Ascophyllum , some species of which have air bladders that allow them to float and receive direct sunlight even at high tide. Also present are Ectocarpus and red algas Polysiphonia , Neosiphonia , Porphyra and Chondrus ( Irish moss ). In

3050-456: The seaside edges of marshes where high tides daily inundate it. Salt meadow cordgrass ( Spartina patens ) and spikegrass ( Distichlis spicata ) grow in areas less frequently inundated by saltwater, typically closer to dry land. A short form of salt water cordgrass can sometimes be found in the depressions ( pannes ) in the higher areas where salt water collects and evaporates, leaving water even higher in salinity than seawater. Other plants in

3111-463: The shore, especially in late summer and fall. The American lobster is fished commercially. Most animal species on the Connecticut side of the Sound also occur inland, but some are much more abundant along the shore. Animals along the Sound are most concentrated in the salt marshes. Two species of shrews , the masked shrew and the American short-tailed shrew , are common in salt marshes. The least shrew has been thought to exist in small numbers in

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3172-637: The shores of the larger river estuaries such as the Connecticut River , cattail marshes replace salt marshes. Various types of grasses, including wild rice , and sedges , including bulrushes , are found here. Eelgrass - sometimes known as "Saltwater Eelgrass" in order to distinguish it from Freshwater Eelgrass, which is a different species ( Vallisneria americana ) - is typically found in protected bays, coves, and other areas of brackish water, but it also persists along areas of exposed shoreline along Long Island's north shore near Orient. Eelgrass

3233-418: The sound has become increasingly deficient of marine life . The fishing and lobster industries have encouraged efforts to identify the cause of the dead water and rectify the problem. Lobsters have suffered diseases of unknown cause, but recreational fishing improved dramatically in the last 10 years due, in large part, to restoring a key component in the food chain, menhaden (a.k.a. "bunker") fish which are

3294-625: The south. From west to east, the sound stretches 110 mi (180 km) from the East River and the Throgs Neck Bridge in New York City, along the North Shore of Long Island, to Block Island Sound . A mix of freshwater from tributaries, and saltwater from the Atlantic Ocean , Long Island Sound is 21 mi (34 km) at its widest point and varies in depth from 65 to 230 feet (20 to 70 m). Major Connecticut cities on

3355-645: The surface of water from sunlight and deprives oxygen to marine organisms. Eutrophication and its effects are direct environmental impacts on the Sound that are exacerbated by higher temperatures, stratified water columns (when the water is not well mixed vertically) and excess nutrients. The primary target for water remediation tactics in Long Island Sound have been nutrients discharged by sewage treatment plants and in surface runoff . Long Island Sound sustains significant populations of fish and nurseries. This biological function has been threatened by both terrestrial and chemical alterations resulting from urbanization of

3416-666: The terrapin population started recovering. Sea turtles occasionally travel north on the Gulf Stream and wander into the Sound. The loggerhead turtle , green turtle and leatherback turtle are rarely seen along the Connecticut shore. Other reptiles and amphibians found along the edges of the salt marshes and nearby bodies of water include the green frog , bullfrog , pickerel frog , spotted turtle , painted turtle , northern water snake , and common snapping turtle . On beaches and sandy areas there are Fowler's toads (which are also found inland but find sandy areas preferable),

3477-484: The tuna family, enter the sound and can be caught by anglers from small boats and shore. Many species have declined rapidly since 1975 due to over fishing. Winter flounder may not be currently present except for rare, small local populations. Tautog and summer flounder are also less numerous. Anadromous fishes include striped bass , white perch , alewives, blueback herring, and American and hickory shad . Although several shark species likely infrequently wander in and out of

3538-403: The warmer environment provided by proximity to the Sound (which has a longer growing season than inland Connecticut and winters that are less harsh). These include sweetgum (only found in Connecticut in the extreme southwestern area of the state), the American holly , post oak and persimmon , which only exist in Connecticut along the shore. For many species which grow typically in sandy soils,

3599-410: The wind. This results in more sunlight reaching the forest floor, encouraging a jungle-like tangle of vines and shrubs, including the vines catbriar , poison ivy , bramble and bittersweet , and the shrubs blueberry , huckleberry , viburnum and hazelnut . Along with the moderate climate, tropical cyclones can have an important impact on observable vegetation patterns. The greatest storms to hit

3660-505: The years, bridges over the sound have been proposed, including a bridge between Rye in Westchester County and Oyster Bay on Long Island; between New Haven, Connecticut , and Shoreham on Long Island; between Bridgeport, Connecticut , and Port Jefferson on Long Island; or between Orient Point, New York , and Rhode Island . A tunnel under the sound, as between Rye and Oyster Bay has also been proposed, to carry both freeway lanes and railroads. However, no crossing has been built since

3721-466: Was the most recent of a series of glaciations that covered the area during the past 10 million years. Sea level at that time was about 330 feet (100 m) lower than today. The continental ice sheet scraped off an average of 65 feet (20 m) of surface material from the New England landscape, then deposited the material (known as drift ) from the Connecticut coast into the Sound, creating what

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