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Harry Gordon, George Croghan, and Thomas Hutchins
- Harry Gordon, George Croghan, and Thomas Hutchins lead a party of over 70 vessels to conduct diplomacy and surveys of the Ohio River.
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Nov 10, 2009 · While conducting this survey, Ludlow surveyed the western boundary of the seventh range. Ludlow also surveyed for the Ohio Company Purchase in 1788-89. Here, he worked for general Rufus Putnam. Ludlow surveyed along the Ohio River and along the northern boundary of the Donation Tract.
Dec 7, 2023 · Ludlow was appointed to fill the vacant South Carolina surveyorship. Ludlow was one of two surveyors to stay in settlements near the Ohio River the winter of 1786-1787, and completed the survey of the seventh range, plats, and notes by August 1787.
- Long Hill, New Jersey
- 1765
Feb 9, 2017 · A description of the Ohio River, by Thomas Hutchins, the U.S. Geographer. Thomas Hutchins/Public domain. On September 30, 1785, Thomas Hutchins, the first and only Geographer of the United...
In 1729, Gaspard-Joseph Chaussegros de Léry, a French architect and surveyor whose survey was the first mapping of the Ohio River, [32] led an expedition of French troops from Fort Niagara down the Allegheny and Ohio Rivers as far as the mouth of the Great Miami River near Big Bone Lick and possibly the Falls of the Ohio (present-day Louisville).
The Mason–Dixon line, where the Torrey C. Brown Rail Trail becomes the York County Heritage Trail near New Freedom, Pennsylvania. The Mason–Dixon line is a demarcation line separating four U.S. states: Pennsylvania, Maryland, Delaware and West Virginia. It was surveyed between 1763 and 1767 by Charles Mason and Jeremiah Dixon as part of the ...
Aug 9, 2024 · In 1729, Gaspard-Joseph Chaussegros de Léry, a French architect and surveyor whose survey was the first mapping of the Ohio River, led an expedition of French troops from Fort Niagara down the Allegheny and Ohio Rivers as far as the mouth of the Great Miami River near Big Bone Lick and possibly the Falls of the Ohio (present-day Louisville ...
Seven Ranges Terminus is a stone surveying marker near Magnolia, Ohio that marks the completion of the first step in opening the lands northwest of the Ohio River to sale and settlement by Americans. This survey marked the first application of the rectangular plan for subdividing land.
