The Fairfax Line was a surveyor's line run in 1746 to establish the limits of the " Northern Neck land grant" (also known as the "Fairfax Grant") in

colonial Virginia The Colony of Virginia, chartered in 1606 and settled in 1607, was the first enduring English colonial empire, English colony in North America, following failed attempts at settlement on Newfoundland (island), Newfoundland by Sir Humphrey GilbertG ...

. The land grant, first contrived in 1649, encompassed all lands bounded by the Potomac and

Rappahannock River The Rappahannock River is a river in eastern Virginia, in the United States, approximately in length.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed April 1, 2011 It traverses the entir ...

s, an area of . By 1719, the lands had been inherited by

Thomas Fairfax, 6th Lord Fairfax of Cameron Thomas Fairfax, 6th Lord Fairfax of Cameron (22 October 16939 December 1781), was a Scottish peer. He was the son of Thomas Fairfax, 5th Lord Fairfax of Cameron, and Catherine Colepeper, daughter of Thomas Colepeper, 2nd Baron Colepeper. The on ...

(1693–1781). By that time the question of the boundaries of the designated lands had also become highly contentious. In 1745 it was decided that a line between the sources of the

North Branch Potomac River The North Branch Potomac River flows from Fairfax Stone in West Virginia to its confluence with the South Branch Potomac River near Green Spring, West Virginia, where it turns into the Potomac River proper. Course From the Fairfax Stone, the ...

and the

would constitute the western limit of Lord Fairfax's lands.

History

Background

The Northern Neck Grant, commonly referred to as the "Fairfax Grant", has its genesis in 1649 when the exiled King Charles II of Britain rewarded the two Colepeper (Culpeper) brothers and five other loyal friends by issuing a grant for a "porcon of Virginia ... bounded by and within the heads of the Rivers Rappahannock and Patawomecke....". The grant actually took force when Charles was restored to the throne in 1660 and it was recorded and a "

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