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100th meridian west

 
100th Meridian West

 
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100th meridian west
 
 
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The meridian 100° west of Greenwich
Prime Meridian

The Prime Meridian is the meridian at which longitude is defined to be 0?.The Prime Meridian and the opposite 180th meridian , which the International Date Line generally follows, form a great circle that divides the Earth into the Eastern Hemisphere and Western Hemispheres....
 is a line of longitude
Longitude

Longitude , symbolized by the Greek character lambda , is the geographic coordinate most commonly used in cartography and global navigation for east-west measurement....
 that extends from the North Pole
North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets the Earth's surface....
 across the Arctic Ocean
Arctic Ocean

The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic North Pole region, is the smallest and shallowest of the world's five major oceanic divisions....
, North America
North America

North America is the northern continent of the Americas, situated in the Earth's northern hemisphere and almost totally in the western hemisphere....
, the Pacific Ocean
Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. Its name is derived from the Latin name Mare Pacificum, "peaceful sea", bestowed upon it by the Portugal explorer Ferdinand Magellan....
, the Southern Ocean
Southern Ocean

The Southern Ocean, also known as the Great Southern Ocean, the Antarctic Ocean and the South Polar Ocean, comprises the southernmost waters of the World Ocean south of 60th parallel south latitude....
, and Antarctica
Antarctica

Antarctica is Earth's southernmost continent, overlying the South Pole. It is situated in the Antarctica of the southern hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean....
 to the South Pole
South Pole

The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's rotation intersects the surface....
.

Starting at the North Pole
North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets the Earth's surface....
 and heading south to the South Pole
South Pole

The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's rotation intersects the surface....
, the 100th meridian west passes through:



United States
In the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 the meridian 100° west of Greenwich forms the eastern border of the Texas panhandle
Texas Panhandle

The Texas Panhandle is a region of the U.S. state of Texas consisting of the northernmost 26 List of Texas counties in the state. The panhandle is a rectangular area bordered by the state of New Mexico to the west and the state of Oklahoma to the north and east....
 with Oklahoma
Oklahoma

Oklahoma is a U.S. state and a sovereignty located in the South Central United States and Southern United States of the United States of America ....
 (which traces its origin to the Adams-Onís Treaty
Adams-Onís Treaty

The Adams-On?s Treaty of 1819, also known as the Transcontinental Treaty of 1819, settled a border dispute in North America between the United States and Spain....
 in 1819 which settled the border between New Spain
New Spain

The Viceroyalty of New Spain , was the political unit of Spain territories in North America and Asia-Pacific. The territory included the present-day Southwestern United States, Central America, the Caribbean, and the Philippines....
 and the United States between the Red River
Red River (Mississippi watershed)

The Red River is one of Red River. It rises in two branches in the Texas Panhandle and flows east forming the border between Texas and Oklahoma, and briefly between Texas and Arkansas....
 and Arkansas River
Arkansas River

The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast and traverses the U.S....
).

In the central Great Plains
Great Plains

The Great Plains are the broad expanse of prairie and steppe which lie west of the Mississippi River and east of the Rocky Mountains in the United States and Canada....
, the meridian roughly marks the western boundary of the normal reach of moist air from the Gulf of Mexico
Gulf of Mexico

The Gulf of Mexico is the ninth largest body of water in the world. Considered a smaller part of the Atlantic Ocean, it is an oceanic basin largely surrounded by the North American continent and the island of Cuba....
, and the approximate boundary (although some areas do push the boundary slightly farther east) between the semi-arid climate to the west and the humid continental
Humid continental climate

The humid continental climate is a climate found over large areas of land masses in the temperate climates of the mid-latitudes where there is a zone of conflict between North Pole and Tropics air masses....
 (north of about 37°N
37th parallel north

The 37th parallel north is a circle of latitude that is 37 degree true north of the Earth equator.Starting at the Prime Meridian and heading eastwards, the parallel 37? north passes through:...
) and humid subtropical
Humid subtropical climate

Humid subtropical climate is a climate zone characterized by hot, humid summers and chilly to mild winters. This climate type covers a broad category of climates, and the term "subtropical" may be a misnomer for the winter climate....
 (south of about 37°N
37th parallel north

The 37th parallel north is a circle of latitude that is 37 degree true north of the Earth equator.Starting at the Prime Meridian and heading eastwards, the parallel 37? north passes through:...
) climates to the east.






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The meridian 100° west of Greenwich
Prime Meridian

The Prime Meridian is the meridian at which longitude is defined to be 0?.The Prime Meridian and the opposite 180th meridian , which the International Date Line generally follows, form a great circle that divides the Earth into the Eastern Hemisphere and Western Hemispheres....
 is a line of longitude
Longitude

Longitude , symbolized by the Greek character lambda , is the geographic coordinate most commonly used in cartography and global navigation for east-west measurement....
 that extends from the North Pole
North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets the Earth's surface....
 across the Arctic Ocean
Arctic Ocean

The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic North Pole region, is the smallest and shallowest of the world's five major oceanic divisions....
, North America
North America

North America is the northern continent of the Americas, situated in the Earth's northern hemisphere and almost totally in the western hemisphere....
, the Pacific Ocean
Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. Its name is derived from the Latin name Mare Pacificum, "peaceful sea", bestowed upon it by the Portugal explorer Ferdinand Magellan....
, the Southern Ocean
Southern Ocean

The Southern Ocean, also known as the Great Southern Ocean, the Antarctic Ocean and the South Polar Ocean, comprises the southernmost waters of the World Ocean south of 60th parallel south latitude....
, and Antarctica
Antarctica

Antarctica is Earth's southernmost continent, overlying the South Pole. It is situated in the Antarctica of the southern hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean....
 to the South Pole
South Pole

The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's rotation intersects the surface....
.

Starting at the North Pole
North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets the Earth's surface....
 and heading south to the South Pole
South Pole

The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's rotation intersects the surface....
, the 100th meridian west passes through:

Country, territory or sea Notes
Arctic Ocean
Arctic Ocean

The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic North Pole region, is the smallest and shallowest of the world's five major oceanic divisions....
 
Islands of Meighen
Meighen Island

Meighen Island is an uninhabited Canadian arctic islands in Nunavut, Canada. Located at 79?55'N 99?30'W, it measures 955 km? in size and is topped with an icecap....
, Ellef Ringnes
Ellef Ringnes Island

Ellef Ringnes Island is one of the Sverdrup Islands in Nunavut, Canada. A member of the Canadian Arctic Archipelago, it lies east of Borden Island, west of Amund Ringnes Island and has an area of 4,361 square miles , making it the list of islands by area and List of Canadian islands by area....
, Bathurst
Bathurst Island

A member of the Canadian Arctic Archipelago, Bathurst Island is one of the Queen Elizabeth Islands in Nunavut Territory, Canada. The area of the island is estimated at 16,042 km?, making it the List of islands by area and List of Canadian islands by area....
 and Prince of Wales - all in Nunavut
Nunavut

Nunavut is the largest and newest Provinces and territories of Canada of Canada; it was separated officially from the Northwest Territories on April 1, 1999 via the Nunavut Act and the Nunavut Land Claims Agreement Act, though the actual boundaries had been established in 1993....

> Mainland of Nunavut
Nunavut

Nunavut is the largest and newest Provinces and territories of Canada of Canada; it was separated officially from the Northwest Territories on April 1, 1999 via the Nunavut Act and the Nunavut Land Claims Agreement Act, though the actual boundaries had been established in 1993....

Manitoba
Manitoba

Manitoba is a prairie provinces in Canada, which has an area of 647,797 square kilometres and a population of 1,207,959 , with more than half located within the Winnipeg Capital Region ....
North Dakota
North Dakota

North Dakota is a U.S. state located in the Midwestern United States and Western United States regions of the United States of America. North Dakota is the 19th largest state by area in the US; it is the 48th most populous, with just over 640,000 residents as of 2006....
 
South Dakota
South Dakota

South Dakota is a U.S. state located in the Midwestern United States of the United States of America. It is named after the Lakota people and Sioux Sioux Native Americans in the United States tribes....
 
Nebraska
Nebraska

Nebraska is a U.S. state located on the Great Plains of the Midwestern United States and Western United States.Nebraska probably gets its name from the archaic Chiwere language words ?? Br?sge or the Omaha-Ponca language N? Bth?ska meaning "flat water," after the Platte River that flows through the state....
 
Kansas
Kansas

The State of Kansas is a Midwestern U.S. state in the Central United States of the United States of America, an area often referred to as the United States "Heartland"....
 
Oklahoma
Oklahoma

Oklahoma is a U.S. state and a sovereignty located in the South Central United States and Southern United States of the United States of America ....
 
Texas
Texas

Texas is a U.S. state located in the South Central United States, nicknamed the Lone Star State. Texas is the second largest U.S. state in both area and population, spanning , and with a growing population of 24.3 million residents....
 / Oklahoma
Oklahoma

Oklahoma is a U.S. state and a sovereignty located in the South Central United States and Southern United States of the United States of America ....
 border
Texas
Texas

Texas is a U.S. state located in the South Central United States, nicknamed the Lone Star State. Texas is the second largest U.S. state in both area and population, spanning , and with a growing population of 24.3 million residents....
 
Coahuila
Coahuila

Coahuila, formally Coahuila de Zaragoza is one of Mexico's 31 component States of Mexico. It is located in the north of the country.To the north, Coahuila accounts for a stretch of the U.S....

Nuevo León
Nuevo León

Nuevo Le?n is a States of Mexico located in northeastern Mexico. It borders the states of Tamaulipas to the north and east and San Luis Potos? to the south, and Coahuila to the west....

Tamaulipas
Tamaulipas

Tamaulipas is one of the 31 States of Mexico of Mexico and is located in the northeast....

San Luis Potosí
San Luis Potosí

The Mexico state of San Luis Potos? has an area of .It is in the north-central part of the Mexican republic, It borders Coahuila to the north, Nuevo Leon to the north-east, Tamaulipas to the east, Veracruz to the east, Hidalgo, Queretaro, and Guanajuato to the south,and Zacatecas to the north-west....

Tamaulipas
Tamaulipas

Tamaulipas is one of the 31 States of Mexico of Mexico and is located in the northeast....

San Luis Potosí
San Luis Potosí

The Mexico state of San Luis Potos? has an area of .It is in the north-central part of the Mexican republic, It borders Coahuila to the north, Nuevo Leon to the north-east, Tamaulipas to the east, Veracruz to the east, Hidalgo, Queretaro, and Guanajuato to the south,and Zacatecas to the north-west....

Guanajuato
Guanajuato

Guanajuato is a state in the central highlands of Mexico. It is named after its capital city, Guanajuato, Guanajuato, which comes from the local indigenous P'urh?pecha language, meaning "Hill of Frogs"....

Querétaro
Querétaro

Quer?taro is a state in the center of M?xico.Its capital is the city of Santiago de Quer?taro, although in general parlance the name "Quer?taro" is used for both the city and the state....

Mexico State
Guerrero
Guerrero

The State of Guerrero is a state in the southern meridional region of Mexico. With an area of , it occupies about 3.3% of Mexican territory. It borders the Pacific Ocean to the south , Michoac?n to the west , Oaxaca to the east , and Mexico State , Morelos , and Puebla to the north ....
Pacific Ocean
Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. Its name is derived from the Latin name Mare Pacificum, "peaceful sea", bestowed upon it by the Portugal explorer Ferdinand Magellan....
 
Southern Ocean
Southern Ocean

The Southern Ocean, also known as the Great Southern Ocean, the Antarctic Ocean and the South Polar Ocean, comprises the southernmost waters of the World Ocean south of 60th parallel south latitude....
 
Antarctica
Antarctica

Antarctica is Earth's southernmost continent, overlying the South Pole. It is situated in the Antarctica of the southern hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean....
 Unclaimed territory
List of Antarctic territorial claims

This is an alphabetical list of Antarctica territories and territorial claims. The Antarctic Treaty prohibits new claims from being made after 1961 as well as the expansion of existing claims, but does not suspend preexisting claims....


United States


In the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 the meridian 100° west of Greenwich forms the eastern border of the Texas panhandle
Texas Panhandle

The Texas Panhandle is a region of the U.S. state of Texas consisting of the northernmost 26 List of Texas counties in the state. The panhandle is a rectangular area bordered by the state of New Mexico to the west and the state of Oklahoma to the north and east....
 with Oklahoma
Oklahoma

Oklahoma is a U.S. state and a sovereignty located in the South Central United States and Southern United States of the United States of America ....
 (which traces its origin to the Adams-Onís Treaty
Adams-Onís Treaty

The Adams-On?s Treaty of 1819, also known as the Transcontinental Treaty of 1819, settled a border dispute in North America between the United States and Spain....
 in 1819 which settled the border between New Spain
New Spain

The Viceroyalty of New Spain , was the political unit of Spain territories in North America and Asia-Pacific. The territory included the present-day Southwestern United States, Central America, the Caribbean, and the Philippines....
 and the United States between the Red River
Red River (Mississippi watershed)

The Red River is one of Red River. It rises in two branches in the Texas Panhandle and flows east forming the border between Texas and Oklahoma, and briefly between Texas and Arkansas....
 and Arkansas River
Arkansas River

The Arkansas River is a major tributary of the Mississippi River. The Arkansas generally flows to the east and southeast and traverses the U.S....
).

In the central Great Plains
Great Plains

The Great Plains are the broad expanse of prairie and steppe which lie west of the Mississippi River and east of the Rocky Mountains in the United States and Canada....
, the meridian roughly marks the western boundary of the normal reach of moist air from the Gulf of Mexico
Gulf of Mexico

The Gulf of Mexico is the ninth largest body of water in the world. Considered a smaller part of the Atlantic Ocean, it is an oceanic basin largely surrounded by the North American continent and the island of Cuba....
, and the approximate boundary (although some areas do push the boundary slightly farther east) between the semi-arid climate to the west and the humid continental
Humid continental climate

The humid continental climate is a climate found over large areas of land masses in the temperate climates of the mid-latitudes where there is a zone of conflict between North Pole and Tropics air masses....
 (north of about 37°N
37th parallel north

The 37th parallel north is a circle of latitude that is 37 degree true north of the Earth equator.Starting at the Prime Meridian and heading eastwards, the parallel 37? north passes through:...
) and humid subtropical
Humid subtropical climate

Humid subtropical climate is a climate zone characterized by hot, humid summers and chilly to mild winters. This climate type covers a broad category of climates, and the term "subtropical" may be a misnomer for the winter climate....
 (south of about 37°N
37th parallel north

The 37th parallel north is a circle of latitude that is 37 degree true north of the Earth equator.Starting at the Prime Meridian and heading eastwards, the parallel 37? north passes through:...
) climates to the east. The type of agriculture
Agriculture

Agriculture refers to the production of food and goods through farming and forestry. Agriculture was the key development that led to the rise of civilization, with the animal husbandry of domestication animals and plants creating food surpluses that enabled the development of more Population density and Social stratification societies....
 west of the meridian typically relies heavily on irrigation
Irrigation

Irrigation is an artificial application of water to the soil usually for assisting in growing crops. In crop production it is mainly used in dry areas and in periods of rainfall shortfalls, but also to protect plants against frost....
. Historically the meridian has often been taken as a rough boundary between the eastern and western United States. White settlement, spreading westward after the American Civil War
American Civil War

The American Civil War , also known as the War Between the States and several Naming the American Civil War, was a civil war in the United States....
, encroached in the meridian in the 1870s.

A sign across U.S. Highway 30 in Cozad
Cozad, Nebraska

Cozad is a city in Dawson County, Nebraska, Nebraska, United States. The population was 4,163 at the 2000 United States Census. The town is on the Great Plains of central Nebraska, along the Union Pacific Railroad and U.S....
, Nebraska
Nebraska

Nebraska is a U.S. state located on the Great Plains of the Midwestern United States and Western United States.Nebraska probably gets its name from the archaic Chiwere language words ?? Br?sge or the Omaha-Ponca language N? Bth?ska meaning "flat water," after the Platte River that flows through the state....
 prominently marks the place where the meridian intersects the routes of the Oregon Trail
Oregon Trail

The Oregon Trail was one of the main overland migration routes on the North American continent, leading from locations on the Missouri River to the Oregon Territory....
, Pony Express
Pony Express

The Pony Express was a fast mail service crossing the North American continent from St. Joseph, Missouri, to Sacramento, California, from April 1860 to October 1861....
, transcontinental railroad, and the Lincoln Highway
Lincoln Highway

The Lincoln Highway was the first road across the United States. Actively promoted by entrepreneur Carl G. Fisher, the Lincoln Highway originally spanned coast-to-coast from Times Square in New York City to Lincoln Park in San Francisco, California through 13 states: New York, New Jersey, Pennsylvania, Ohio, Indiana, Illinois, Iowa, Nebras...
.

Wallace Stegner
Wallace Stegner

Wallace Earle Stegner was an United States historian, novelist, short story writer, and environmentalism, often called "The Dean of Western Writers"....
's Beyond the Hundredth Meridian (1954), is a biography of John Wesley Powell
John Wesley Powell

John Wesley Powell was a United States soldier, geology, and explorer of the American West. He is famous for the 1869 Powell Geographic Expedition of 1869, a three-month river trip down the Green River and Colorado River rivers that included the first passage through the Grand Canyon....
, an explorer of the American West. The song "At the Hundredth Meridian" by The Tragically Hip
The Tragically Hip

The Tragically Hip is a Canada Rock music Musical ensemble from Kingston, Ontario, consisting of Gordon Downie , Paul Langlois , Rob Baker , Gord Sinclair and Johnny Fay ....
 is about the 100th meridian west, specifically in Canada, and how it has traditionally been considered "where the great plains begin."

See also

  • Rain follows the plow
    Rain follows the plow

    Rain follows the plow is the conventional name for a now-discredited theory of climatology that was popular throughout the American West and Australia during the late 19th century....


See also

  • 99th meridian west
    99th meridian west

    The meridian 99? west of Prime Meridian is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole....
  • 101st meridian west
    101st meridian west

    The meridian 101? west of Prime Meridian is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole....