The freeway with narrowly spaced interchanges concentrates and mitigates the access problem, but it also acts inevitably as an artificial, isolating boundary.

For shapes with curved boundary, calculus is usually required to compute the area.

A classic example of this is the replacement of the non-avian dinosaurs with mammals at the end of the Cretaceous, and of brachiopods by bivalves at the Permo-Triassic boundary.

In 1893, Mortimer Durand was deputed to Kabul by the government of British India for this purpose of settling an exchange of territory required by the demarcation of the boundary between northeastern Afghanistan and the Russian possessions, and in order to discuss with Amir Abdur Rahman Khan other pending questions.

Expanding upon the work of Lanchester, Ludwig Prandtl is credited with developing the mathematics behind thin-airfoil and lifting-line theories as well as work with boundary layers.

Discussions continue with Croatia on several small disputed sections of the boundary related to maritime access that hinder final ratification of the 1999 border agreement.

Malaysia's land boundary with Brunei around Limbang is currently in dispute.

; 3. 1: To test a shuttlecock, use a full underhand stroke which makes contact with the shuttlecock over the back boundary line.

However, since " bronze " is a somewhat imprecise term, and historical pieces have variable compositions, in particular with an unclear boundary with brass, modern museum and scholarly descriptions of older objects increasingly use the more cautious and inclusive term " copper alloy " instead.

The more familiar triangular boundary in most written works has as its points somewhere on the Atlantic coast of Miami ; San Juan, Puerto Rico ; and the mid-Atlantic island of Bermuda, with most of the accidents concentrated along the southern boundary around the Bahamas and the Florida Straits.

An expanding universe generally has a cosmological horizon which, by analogy with the more familiar horizon caused by the curvature of the Earth's surface, marks the boundary of the part of the universe that an observer can see.

The 800-kilometre boundary with Thailand, coincides with a natural feature, the watershed of the Dangrek Mountains, only in its northern sector.

Cambodia is involved in a dispute regarding offshore islands and sections of the boundary with Vietnam.

In addition, the maritime boundary Cambodia has with Vietnam is undefined.

Parts of Cambodia's border with Thailand are indefinite, and the maritime boundary with Thailand is not clearly defined.

The end of the Cretaceous is defined by the K – Pg boundary, a geologic signature associated with the mass extinction which lies between the Mesozoic and Cenozoic Eras.

Also known as the K – T extinction event, it is associated with a geological signature known variously as the K – T boundary, the Cretaceous – Paleogene boundary or the K – Pg boundary, usually a thin band of sedimentation visible wherever rocks of this age are exposed.

Mammalian clades passed through the boundary with few extinctions, evolving and thriving well past the event.

The bay straddles the boundary between Sonoma County to the north and Marin County to the south.

In 1831, the church moved to Kirtland, Ohio ( the eastern boundary of Zion ), and began establishing an outpost in Jackson County, Missouri ( Zion's " center place "), where he planned to eventually move the church headquarters.

London County Council proposed a vast new area for Greater London, with a proposed boundary somewhere between the Metropolitan Police District and the home counties.

* Establishment of Wright's Ferry under the authority of the Province of Pennsylvania triggers Cresap's War – a nine year long conflict also known as the Maryland-Pennsylvania boundary dispute – the conflict mainly centered in Lancaster County, Pennsylvania and York County, Pennsylvania on either banks of the Susquehanna River.

* Lancaster County Prison, Lancaster, Pennsylvania is first constructed in response to the seven violent years preceding of the ongoing Cresap's War in the Maryland-Pennsylvania boundary dispute and war.

The County shares its northern boundary with Putnam County and its southern boundary with New York City.

* Bergen County, New Jersey — southwest, water boundary only, across the Hudson River

* Rockland County, New York — west, water boundary only, across the Hudson River, with bridge access at the Tappan Zee Bridge and Bear Mountain Bridge

* Nassau County, New York — southeast, water boundary only, across the Long Island Sound

* Orange County, New York — northwest, water boundary only, across the Hudson River

The river forms the boundary between Marion and Polk counties, and the city neighborhood of West Salem is in Polk County.

Before 1995, the eastern boundary of the city of Takoma Park was in Prince George's County, Maryland, causing the community to be divided across two counties and the Maryland / D. C.

Orange County is the county in the very southeastern corner of Texas, with a boundary with Louisiana but does not have a seacoast on the Gulf of Mexico as Jefferson County and Sabine Lake border Orange County to the South.

The eastern boundary of Washington County is the New York – Vermont border, part of which is Lake Champlain.

It flows west past Coudersport then turns north into western New York, looping westward across southern Cattaraugus County for approximately 30 miles ( 48 km ), past Portville, Olean, St. Bonaventure University and Salamanca and flowing through Seneca Indian Nation lands close to the northern boundary of Allegany State Park before re-entering northwestern Pennsylvania approximately 20 miles ( 32 km ) southeast of Jamestown, New York.

One of the other pieces, Tryon County, contained the western portion ( and thus, since no western boundary was specified, theoretically still extended west to the Pacific ).

The eastern boundary of Tryon County was approximately five miles west of the present city of Schenectady, and the county included the western part of the Adirondack Mountains and the area west of the West Branch of the Delaware River.

One of the other pieces, Tryon County, contained the western portion ( and thus, since no western boundary was specified, theoretically still extended west to the Pacific ).

The eastern boundary of Tryon County was approximately five miles west of the present city of Schenectady, and the county included the western part of the Adirondack Mountains and the area west of the West Branch of the Delaware River.

One of the other pieces, Tryon County, contained the western portion ( and thus, since no western boundary was specified, theoretically still extended west to the Pacific ).

In many places, the international border runs along the crest of the Boundary Ranges of the Coast Mountains ( see Alaska boundary dispute ).

Another example is the strongly oblique convergent plate boundary between the Arabian and Eurasian plates where it runs through the northwestern part of the Zagros mountains.

The Alay range portion of the Tian Shan system dominates the southwestern crescent of the country, and, to the east, the main Tian Shan range runs along the boundary between southern Kyrgyzstan and China before extending farther east into China's Xinjiang Uygur Autonomous Region.

Defensive shots rarely score runs and risk being caught in the cordon, while the pull and hook shots can result in a catch on the boundary, for which two men were usually set in " leg-theory " bowling.

The M2 Motorway runs parallel to the northern boundary of the campus and is accessible to traffic from the university.

The DMZ is a heavily guarded, 4, 000-meter-wide strip of land that runs along the Demarcation line established by the Korean Armistice Agreement, from the east to the west coasts for a distance of 241 kilometers ( 238 kilometers of that line form the land boundary with North Korea ).

The Confederation Trail runs alongside its eastern boundary.

Madhya Pradesh literally means " Central Province ", and is located in the geographic heart of India, between latitude 21 ° 04 ' N-26. 87 ° N and longitude 74 ° 02 '- 82 ° 49 ' E. The state straddles the Narmada River, which runs east and west between the Vindhya and Satpura ranges ; these ranges and the Narmada are the traditional boundary between the north and south of India.

The international boundary between the United States and Canada runs down the center of the Strait.

The eastern boundary runs south from Rosario Head across Deception Pass to Whidbey Island, then along the western coast of Whidbey Island to Point Partridge, then across Admiralty Inlet to Point Wilson ( Quimper Peninsula ).

The known geography of Gor consists mainly of the western seaboard of a continent that runs from the Arctic in the north to south of the equator, with the Thassa Ocean to the west, and the Voltai mountain range forming an eastern boundary at many latitudes.

It enters Backergunje near the north-west corner of the district, whence it forms its western boundary, and runs south, but with great windings in its upper reaches, until it crosses the Sundarbans, and finally falls into the Bay of Bengal by a large and deep estuary, capable of receiving ships of considerable size.

It is managed under the aegis of the Zoological Society of London ( established in 1826 ), and is situated at the northern edge of Regent's Park, on the boundary line between City of Westminster and Camden ( the Regent's Canal runs through it ).

The Niagara Escarpment runs north-south several miles east of the western boundary.

The John Day Fault ( one of the only major faults in North America to run east-west ) runs along the southern edge of the John Day Valley, caused an uplift, forming the Strawberry and Aldrich mountain ranges and the northern boundary of the Great Basin.

The short elevated section of I-45 which forms the southern boundary of downtown Houston is known as the Pierce Elevated, after the surface street next to which the freeway runs, while north of Interstate 10 it is known as the North Freeway.

Roughly triangular in shape, its northern boundary is the Thames, as it runs first north-east, and then east, before turning north again to pass Westminster.

The boundary between the boroughs of Camden and Brent runs along the middle of Kilburn High Road.

The Royal Canal runs west from Dublin and parts of it form the boundary with County Meath.

It runs northwest into downtown St. Joseph, then runs northeast along Lake Michigan before its northern terminus at a junction with US 31 and I-196 just south of the county boundary.

The Ouachita River runs along the west boundary, the Red River along the south, and the Mississippi River along the east.

In Newcastle his name is remembered through the Rowley Meadows housing development and the Rowley Path, which runs along the southern boundary of the Islands Park.

Daniel Defoe enlivens this account of the Waveney's Broads course: The River Waveney is a considerable river, and of a deep and full channel, navigable for large barges as high as Beccles ; it runs for a course of about fifty miles, between the two counties of Suffolk and Norfolk, as a boundary to both ; and pushing on, tho ' with a gentle stream, towards the sea, no one would doubt, but, that when they see the river growing broader and deeper, and going directly towards the sea, even to the edge of the beach ; that is to say, within a mile of the main ocean ; no stranger, I say, but would expect to see its entrance into the sea at that place, and a noble harbour for ships at the mouth of it ; when on a sudden, the land rising high by the sea-side, crosses the head of the river, like a dam, checks the whole course of it, and it returns, bending its course west, for two miles, or thereabouts ; and then turning north, thro ' another long course of meadows ( joining to those just now mention'd ) seeks out the River Yare, that it may join its water with hers, and find their way to the sea together.