 Later in 1787, a land company called the Ohio Company of Associates contracted with the Congress of the Confederation to buy a one million five hundred thousand acre tract along the Ohio River to the west of the Seven Ranges.Ludlow surveyed the north line of this tract that is known as Israel Ludlow's Survey.Virginia was granted lands between the Scioto River and Little Miami River in Ohio for bounties for her war veterans in a tract called the Virginia Military District.