Clients: John Wolcott (Fort Nassau)

Press Releases:

Maps of Fort Nassau
Courtesy of John Wolcott

Map: Fort Nassau Site Today, by John Wolcott

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Map: Fort Nassau Site Today, based on John Wolcott’s Findings

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Caption: An illustration showing location of Fort Nassau site, based on John Wolcott’s findings.

1614 Chart

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Caption: This 1614 chart, attributed to attributed to Adriaen Block, positions Fort Nassau at 43 degrees north latitude. The writings of Joannes de Laet also support this: “On the east lies a long broken island, through which several creeks find a passage, forming several islands, extending nearly to the island on which the fort was erected, in latitude 43˚.” John Wolcott analyzed this early latitude for problems caused by instruments of that time to pinpoint the location on later maps and charts.

Chart: Fort Nassau Site 1863 Detail, courtesy John Wolcott

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Caption: Detail showing site of Fort Nassau Courtesy of John Wolcott, from: “Preliminary Chart of Hudson River Sheet No. 3 From Poughkeepsie to Troy New York. From a Trigonometrical Survey under the direction of A.D. BACHE Superintendent of the SURVEY OF THE COAST OF THE UNITED STATES. 1863”

1910 Chart (John Wolcott’s “Rosetta Map”)

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Caption: John Wolcott used Joannes de Laet’s description of the island fort at “43 degrees” to locate it on an 1863 hand drawn copy of a 1614 map attributed to Adriaen Block. He then analyzed this early latitude for problems caused by instruments of that time to pinpoint the location on later maps and charts.

Historical Maps of Fort Nassau

Courtesy of Don Rittner

Map Detail: “Noort Rivier in Niew Neerlandt”

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Caption: Map by Johannes Vingboons, “Noort Rivier in Niew Neerlandt,” showing location of abandoned Fort Nassau and Fort Orange on the mainland. The Library of Congress dates the map at 1639. John Wolcott believes the map was actually created earlier, probably in 1626. Image courtesy of Don Rittner.

Map

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Caption: Cornelis Hendrickson’s 1616 map showing location of Fort Nassau. The area shown in this map is in the City of Albany today. Image courtesy of Don Rittner.