13. We finished to day what we began yesterday & he and Mr. Robt. Adam dined and lodged here.
GW and West probably decided to use Brent’s original dividing line, running it as accurately as possible, because West’s and Marshall’s tracts had been bought from William Spencer before the northern boundary had been changed (deed of Spencer to George Harrison, 25–26 May 1739, Prince William County Deeds, Book D, 94–100, Vi Microfilm; deed of Spencer to Thomas Marshall, 20–21 Nov. 1739, Prince William County Deeds, Book D, 289–94, Vi Microfilm).

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