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Tri-States Monument

Border tripointsBorders of New JerseyBorders of New York (state)Borders of PennsylvaniaBoundary markers
Monuments and memorials in New JerseyMonuments and memorials in New York (state)Monuments and memorials in Pennsylvania
NJ NY PA Tri States Monument 2009 detail
NJ NY PA Tri States Monument 2009 detail

The Tri-States Monument (also known as Tri-State Rock) is a granite monument that marks the tripoint of the state boundaries of New Jersey, New York, and Pennsylvania. It is at the northwestern end of the boundary between New Jersey and New York, the northern end of the boundary between New Jersey and Pennsylvania, and the eastern end of the boundary between New York and Pennsylvania. The monument is located at the confluence of the Delaware and Neversink rivers. This location is also known as Carpenter's Point.The nearby Witness Monument, also known as the Reference Monument or the western State Line Monument, is a taller upright granite monument located south of the Laurel Grove Cemetery in Port Jervis, New York, and under a bridge for Interstate 84. It is not directly on any state boundary, but instead witnesses the location of two points: this tripoint and the corner boundary point between New York and Pennsylvania in the Delaware River.The Supreme Court of the United States summarized the boundaries of these three states with respect to this monument in New Jersey v. New York, 283 U.S. 336 (1931): ... where it (the Delaware) forms a boundary between New York and Pennsylvania. The Delaware continues its course as such boundary to Tristate Rock, near Port Jervis in New York, at which point Pennsylvania and New York are met by New Jersey. From there the river marks the boundary between Pennsylvania and New Jersey until Pennsylvania stops at the Delaware state line, and from then on the river divides Delaware from New Jersey until it reaches the Atlantic between Cape Henlopen and Cape May. Also, it is the northernmost point of New Jersey, in Montague Township, Sussex County.

Excerpt from the Wikipedia article Tri-States Monument (License: CC BY-SA 3.0, Authors, Images).

Tri-States Monument
I 84, Town of Deerpark

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Wikipedia: Tri-States MonumentContinue reading on Wikipedia

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Latitude Longitude
N 41.357272222222 ° E -74.694722222222 °
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Tri-State Monument

I 84
18336 Town of Deerpark
New York, United States
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NJ NY PA Tri States Monument 2009 detail
NJ NY PA Tri States Monument 2009 detail
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Port Jervis, New York
Port Jervis, New York

Port Jervis is a city located at the confluence of the Neversink and Delaware rivers in western Orange County, New York, United States, north of the Delaware Water Gap. Its population was 8,775 at the 2020 census. The communities of Deerpark, Huguenot, Sparrowbush, and Greenville are adjacent to Port Jervis. Matamoras, Pennsylvania, is across the river and connected by the Mid-Delaware Bridge. Montague Township, New Jersey, also borders the city. The Tri-States Monument, marking the tripoint between New York, New Jersey, and Pennsylvania, lies at the southwestern corner of the city. Port Jervis was part of early industrial history, a point for shipping coal to major markets to the southeast by canal and later by railroads. Its residents had long-distance passenger service by railroad until 1970. The restructuring of railroads resulted in a decline in the city's business and economy.In the 21st century, from late spring to early fall, many thousands of travelers and tourists pass through Port Jervis on their way to enjoying rafting, kayaking, canoeing and other activities in the Delaware Water Gap National Recreation Area and the Upper Delaware Scenic and Recreational River and the surrounding area. Port Jervis is part of the Poughkeepsie–Newburgh–Middletown metropolitan area as well as the larger New York metropolitan area. In August 2008, Port Jervis was named one of "Ten Coolest Small Towns" by Budget Travel magazine.

Fort Decker
Fort Decker

"Fort Decker" is a stone house built in 1793 from the remains of the fort of that name. It is located on West Main Street in Port Jervis, New York, United States, the oldest building in that city, which it predates by several decades. The original Fort Decker was built by a Frederick Haynes, a Dutch settler, sometime before 1760, during the French and Indian War, as an unofficial defense and trading post. It was one and a half stories high, built of stone and overlapping logs. Haynes left the area for New Jersey around 1775, leaving the fort to his wife's family, the Deckers. The fort is named for Lt. Martinus Decker, great grandson of Jan Gerritsen Decker, the first Decker to live in the Minisink Valley.On July 19, 1779, during the Revolutionary War, when the settlement was known as "Peenpack", the fort was burned during a raid by pro-British Native American leader Joseph Brant. When survivors brought news of the disaster to Goshen, the Patriot attempt to retaliate led to a disastrous defeat at the Battle of Minisink, the only major engagement of the war in the upper Delaware Valley. The current house was built from the remains of the fort in 1793. In 1826, it would house engineers working on the Delaware and Hudson Canal, including John Jervis, whom the city would later be renamed for. It remained in private hands as a residence from then on. In 1903, newspapers reported that the original roof was being removed, and in 1924 the building suffered partial damage from a fire.As early as the 1880s, there had been interest in using the structure as a museum. This did not become possible until 1958, when the Minisink Valley Historical Society bought it for $1,000 and converted it into a museum. In 1974 it was listed on the National Register of Historic Places, the first of three buildings in Port Jervis to attain that distinction, the others being the Erie Depot and the Post Office.