New York–Pennsylvania border: Difference between revisions

* alongAlong the center line of the [[Delaware River]] from the tri[[Tri-pointStates Monument]] [[tripoint]] with [[New Jersey]] at the confluence of the Delaware with the [[Neversink River]] in [[Port Jervis, New York]] to the [[42nd parallel north]] between [[Hancock, New York]] and [[Deposit (town), New York|Deposit, New York]] about 2.8 km downstream from [[Hale Eddy, New York|Hale Eddy]]; above [[Hancock, New York|Hancock]] this is the [[West Branch Delaware River|West branch of the Delaware]];

* acrossAcross the [[42nd parallel north]] to the corner of the [[Erie Triangle]];

The survey of the [[42nd parallel north]] was carried out in 1785–86 and accepted by the two states in 1787. The surveying technique that was used byat the surveyorstime was not ofespecially the greatest qualityaccurate, and as such, this boundary wanders a bit on both sides of the true parallel. The 82nd mile stone was used as the starting point of the [[Preemption Line]] defined in the [[Treaty of Hartford (1786)|Treaty of Hartford]] in 1786 to separate [[Massachusetts]] and [[New York State]] land claims in [[Western New York]].

[[File:NYPAcorner.jpg|thumb|150px|right|The cornerstone of the Erie Triangle—the westernmost point in the state of New York]]

The survey of the [[Erie Triangle]] boundary in 1789 was by the top surveyor in the USAUnited States of the time, [[Andrew Ellicott]] in 1789.

The starting point of the [[42nd parallel north]] line is in the [[Delaware River]] at the northeast corner of [[Wayne County, PAPennsylvania]] at 41°59′57″ N, 75°21′35″ W [[WGS 84]]. The initial surveyor's monument is just west of Faulkner Road at 41°59′58″ N, 75°21′43″ W.

The corner point of the [[Erie Triangle]] in modern coordinates is 41°59′55″ N, 79°45′43″ W.

The distance along the east-westeast–west line is approximately 363{{convert|225.49 86|mi|km (225}}.86 statute miles)

The counties that surround the east-westeast–west line are known collectively as the [[Twin Tiers]].

* [[ErieNorthern TriangleTier (Pennsylvania)]]

* [[TwinSouthern TiersTier]] (New York)

*[http://mapserver.maptech.com/homepage/index.cfm?lat=41.998847&lon=-75.363236&scale=24000&zoom=100&type=1&icon=0&searchscope=dom&CFID=1823481&CFTOKEN=43102063&scriptfile=http://mapserver.maptech.com/homepage/index.cfm&latlontype=DMS mapMap of the initial monument]

{{coord missing|New York (state)}}

[[Category:Borders of New York (state)|Pennsylvania border]]