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Historical Markers in Cold Spring Harbor, New York

 
Clickable Map of Suffolk County, New York and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Suffolk County, NY (529) Nassau County, NY (543) Greater Bridgeport Region, CT (170) South Central Region, CT (539) Southeastern Region, CT (488) Washington County, RI (115)  SuffolkCounty(529) Suffolk County (529)  NassauCounty(543) Nassau County (543)  (170) Greater Bridgeport Region (170)  SouthCentralRegion(539) South Central Region (539)  SoutheasternRegion(488) Southeastern Region (488)  WashingtonCountyRhode Island(115) Washington County (115)
Riverhead is the county seat for Suffolk County
Cold Spring Harbor is in Suffolk County
Suffolk County (529)  ►
ADJACENT TO SUFFOLK COUNTY
Nassau County (543)  ►
Greater Bridgeport Region, Connecticut (170)  ►
South Central Region, Connecticut (539)  ►
Southeastern Region, Connecticut (488)  ►
Washington County, Rhode Island (115)  ►
 
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1 ► New York, Suffolk County, Cold Spring Harbor — Cold Spring Harbor Fire Department —
Founded 1852 Fire house built 1930 & 1970 — — Map (db m42814) HM
2 ► New York, Suffolk County, Cold Spring Harbor — International Boundary —
International Boundary of New Netherlands and the New England Confederation by the Treaty of Hartford 1650 – 1664 — — Map (db m173690) HM
3 ► New York, Suffolk County, Cold Spring Harbor — Israel Ketchum —
Of Cold Spring Harbor while jailed for counterfeiting revealed a plot to assassinate Washington in June 1776. — — Map (db m42813) HM
4 ► New York, Suffolk County, Cold Spring Harbor — Owl's Cote — National Register of Historic Places —
Built 1851 for Jacob C. Hewlett, Surveyor of the Port of Cold Spring Harbor. Later owned by the Gulden's Mustard Family. — — Map (db m204932) HM
5 ► New York, Suffolk County, Cold Spring Harbor — Paper Mill —
Built by Richard Conklin circa 1782.   Produced fine linen paper.   Site at end of a mill dam and bridge, northerly 250 ft. — — Map (db m42816) HM
6 ► New York, Suffolk County, Cold Spring Harbor — Port of Cold Spring —
District of New York Last U.S. Custom House circa 1890 – 1913 Reuben Hall Surveyor — — Map (db m42815) HM
7 ► New York, Suffolk County, Cold Spring Harbor — Squadron "C" Farm —
Comprising 82 Acres Owned By 101st Cavalry Regt. NYNG Squadron "C" Cavalry Club 1903 To 1961 — — Map (db m152246) HM
8 ► New York, Suffolk County, Cold Spring Harbor — The Survivor Tree —
A Callery Pear Tree, found in the rubble, following the September 11, 2001 terrorist attack on the World Trade Center, has become a living symbol of hope, resilience, survival, and rebirth. When discovered, the 8 feet high tree, was severely . . . — — Map (db m270135) HM
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9 ► New York, Suffolk County, Cold Spring Harbor — U.S. Custom House —
U.S. Custom House 1848 - 1879 Jacob C. Hewlett, Surveryor "To Enroll, License Vessels Employed in Coasting Trade and Whale Fisheries" — — Map (db m204933) HM
10 ► New York, Suffolk County, Cold Spring Harbor — 434 — Wright House —
Built 1894 for Captain James Wright. 1843-1923, coastwise trader. Civil War veteran & Town of Huntington constable. — — Map (db m127994) HM
 
 
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Sep. 11, 2026