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MARKER DATABASE
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Historical Markers and War Memorials in Yaphank

 
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 (532) Nassau County, NY (543) Greater Bridgeport Region, CT (171) South Central Region, CT (545) Southeastern Region, CT (490) Washington County, RI (141)  SuffolkCounty(532) Suffolk County (532)  NassauCounty(543) Nassau County (543)  (171) Greater Bridgeport Region (171)  SouthCentralRegion(545) South Central Region (545)  SoutheasternRegion(490) Southeastern Region (490)  WashingtonCountyRhode Island(141) Washington County (141)
Riverhead is the county seat for Suffolk County
Yaphank is in Suffolk County
Suffolk County (532)  ►
ADJACENT TO SUFFOLK COUNTY
Nassau County (543)  ►
Greater Bridgeport Region, Connecticut (171)  ►
South Central Region, Connecticut (545)  ►
Southeastern Region, Connecticut (490)  ►
Washington County, Rhode Island (141)  ►
 
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1 ► New York, Suffolk County, Yaphank — Camp Upton —
On William Floyd Parkway (County Route 46) 0.2 miles south of Princeton Ave, on the right when traveling north.
Historical camp site W.W.I Over 300,000 men trained here for the 77th Div. 1917-21 Camp and Hospital 1941-45 77th Division Assoc. — — Map (db m175087) HM WM
2 ► New York, Suffolk County, Yaphank — Lily Lake —
On County Road 21 0.1 miles south of Main Street, on the right when traveling south.
The Homan-Gerard Mill Site was a typical family mill complex. By 1771, there were at least five mill complexes along the Carmens River. The Village that grew up along the street connecting the Upper and Lower Mills became known as Millville, . . . — — Map (db m133382) HM
3 ► New York, Suffolk County, Yaphank — 375 — Mary L. Booth —
On East Main Street.
Lived in this house from 1831-1845. Author, editor, suffragist, Woman's Rights Convention Secretary 1855 and 1860. — — Map (db m132694) HM
 
 
  
  
 
 
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Nov. 11, 2026