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Twelve-Mile Circle, the Glossary

The Twelve-Mile Circle is an approximately circular arc that forms most of the boundary between Delaware and Pennsylvania.^[1]

40 relations: BP, Charles II of England, Circle, Circular arc, Connecticut River, Cupola, Curve, David Rittenhouse, Delaware, Delaware House of Representatives, Delaware National Guard, Delaware River, Delaware Wedge, Fort Delaware State Park, Hugo Grotius, James II of England, James K. Polk, Killcohook National Wildlife Refuge, Liquefied natural gas, Maryland, Mason–Dixon line, Mid-Atlantic (United States), New Castle Court House Museum, New Castle, Delaware, New Hampshire, New Jersey, New Jersey v. Delaware, Penn–Calvert boundary dispute, Pennsylvania, Plains, Georgia, Radius, Special master, Supreme Court of the United States, Thalweg, Transpeninsular Line, United States, USS New Jersey (BB-62), Vermont, William Penn, William Wirt (attorney general).
Border irregularities of the United States
Borders of Delaware
Borders of Maryland
Borders of New Jersey
Borders of Pennsylvania
Geography of Maryland

BP

BP p.l.c. (formerly The British Petroleum Company p.l.c. and BP Amoco p.l.c.; stylised in all lowercase) is a British multinational oil and gas company headquartered in London, England.

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Charles II of England

Charles II (29 May 1630 – 6 February 1685) was King of Scotland from 1649 until 1651 and King of England, Scotland, and Ireland from the 1660 Restoration of the monarchy until his death in 1685.

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Circle

A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre.

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Circular arc

A circular arc is the arc of a circle between a pair of distinct points.

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Connecticut River

The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states.

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Cupola

In architecture, a cupola is a relatively small, most often dome-like, tall structure on top of a building.

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Curve

In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight.

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David Rittenhouse

David Rittenhouse (April 8, 1732 – June 26, 1796) was an American astronomer, inventor, clockmaker, mathematician, surveyor, scientific instrument craftsman, and public official.

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Delaware

Delaware is a state in the Mid-Atlantic and Northeastern region of the United States.

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Delaware House of Representatives

The Delaware State House of Representatives is the lower house of the Delaware General Assembly, the state legislature of the U.S. state of Delaware.

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Delaware National Guard

The Delaware National Guard consists of the Delaware Army National Guard, and the Delaware Air National Guard.

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The Delaware River is a major river in the Mid-Atlantic region of the United States and is the longest free-flowing (undammed) river in the Eastern United States. Twelve-Mile Circle and Delaware River are borders of Delaware, borders of Maryland, borders of New Jersey and borders of Pennsylvania.

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Delaware Wedge

The Wedge (or Delaware Wedge) is a tract of land along the borders of Delaware, Maryland and Pennsylvania. Twelve-Mile Circle and Delaware Wedge are border irregularities of the United States, borders of Delaware, borders of Maryland, borders of Pennsylvania and Internal territorial disputes of the United States.

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Fort Delaware State Park

Fort Delaware State Park is a, 1 mi (1.6 km) long Delaware state park on Pea Patch Island in the mid channel of the Delaware River near its entrance into Delaware Bay.

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Hugo Grotius

Hugo Grotius (10 April 1583 – 28 August 1645), also known as Hugo de Groot or Huig de Groot, was a Dutch humanist, diplomat, lawyer, theologian, jurist, statesman, poet and playwright.

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James II of England

James VII and II (14 October 1633 – 16 September 1701) was King of England and Ireland as James II and King of Scotland as James VII from the death of his elder brother, Charles II, on 6 February 1685.

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James K. Polk

James Knox Polk (November 2, 1795 – June 15, 1849) was an American lawyer and politician who served as the 11th president of the United States from 1845 to 1849.

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Killcohook National Wildlife Refuge

Killcohook National Wildlife Refuge (founded as Killcohook Migratory Bird Refuge) was a National Wildlife Refuge located on the east bank of the Delaware River adjacent to the current Supawna Meadows National Wildlife Refuge. Twelve-Mile Circle and Killcohook National Wildlife Refuge are borders of New Jersey.

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Liquefied natural gas

Liquefied natural gas (LNG) is natural gas (predominantly methane, CH4, with some mixture of ethane, C2H6) that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport.

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Maryland

Maryland is a state in the Mid-Atlantic region of the United States.

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Mason–Dixon line

The Mason–Dixon line is a demarcation line separating four U.S. states, Pennsylvania, Maryland, Delaware and West Virginia. Twelve-Mile Circle and Mason–Dixon line are borders of Delaware, borders of Maryland and borders of Pennsylvania.

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Mid-Atlantic (United States)

The Mid-Atlantic is a region of the United States located in the overlap between the Northeastern and Southeastern states of the United States.

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New Castle Court House Museum

The New Castle Court House Museum is the center of a circle with a 12-mile radius that defines most of the border between the states of Delaware and Pennsylvania and parts of the borders between Delaware and New Jersey and Maryland.

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New Castle, Delaware

New Castle is a city in New Castle County, Delaware, United States.

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New Hampshire

New Hampshire is a state in the New England region of the Northeastern United States.

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New Jersey

New Jersey is a state situated within both the Mid-Atlantic and Northeastern regions of the United States.

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New Jersey v. Delaware

New Jersey v. Delaware, 552 U.S. 597 (2008), is a United States Supreme Court case in which New Jersey sued Delaware, invoking the Supreme Court's original jurisdiction under (a), following Delaware's denial of oil company BP's petition to build a liquefied natural gas pipeline and loading facility on the New Jersey side of the Delaware River. Twelve-Mile Circle and New Jersey v. Delaware are borders of Delaware, borders of New Jersey and Internal territorial disputes of the United States.

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Penn–Calvert boundary dispute

The Penn–Calvert boundary dispute (also known as Penn vs. Baltimore) was a long-running legal conflict between William Penn and his heirs on one side, and Charles Calvert, 3rd Baron Baltimore and his heirs on the other side. Twelve-Mile Circle and Penn–Calvert boundary dispute are borders of Delaware, borders of Maryland and borders of Pennsylvania.

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Pennsylvania

Pennsylvania, officially the Commonwealth of Pennsylvania (Pennsylvania Dutch), is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States.

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Plains, Georgia

Plains is a city in Sumter County, Georgia, United States.

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Radius

In classical geometry, a radius (radii or radiuses) of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.

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Special master

In the law of the United States, a special master is an official appointed by a judge to ensure judicial orders are followed, or in the alternative, to hear evidence on behalf of the judge and make recommendations to the judge as to the disposition of a matter.

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Supreme Court of the United States

The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States.

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Thalweg

In geography, hydrography, and fluvial geomorphology, a thalweg or talweg is the line or curve of lowest elevation within a valley or watercourse.

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Transpeninsular Line

The Transpeninsular Line (at approximately 38°27′ N) is a surveyed line, the eastern half of which forms the north–south border between Delaware and Maryland. Twelve-Mile Circle and Transpeninsular Line are borders of Delaware and borders of Maryland.

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References

[1] https://en.wikipedia.org/wiki/Twelve-Mile_Circle

Also known as 12 Mile Circle, The Twelve Mile Circle, The Twelve-Mile Arc, The Twelve-Mile Circle, Twelve Mile Circle, Twelve-Mile Arc.

Twelve-Mile Circle, the Glossary

Table of Contents

See also

Border irregularities of the United States

Borders of Delaware

Borders of Maryland

Borders of New Jersey

Borders of Pennsylvania

Geography of Maryland

References