The land was resurveyed in 1867, and subdivided further. It was surveyed in 1933 by DI personnel, and resurveyed in 1947 by FIDS. Originally surveyed as in 1858, it was resurveyed in 1861 as . In 1960 the property was resurveyed and subdivided into two blocks and an easement. This land was resurveyed and renamed "Greenberry Forest". Mooresville was resurveyed by Frank Reid as Skaguay. The tract was resurveyed on August 4, 1746, by Phillip Hammond. Boundaries were occasionally resurveyed and boundary stones replaced or restored, depending on their condition. In 1776 "Alarm" was resurveyed. The earthworks were resurveyed and are well preserved. The system was extensively resurveyed by the Reyfad Group in the 1980s. It was resurveyed as "Chew's Resolution". Joseph Cloud resurveyed the tract and divided it into two equal shares in 1798. He resurveyed the alignment of the tunnel by constructing six towers. In 1837 the Missouri General Assembly ordered the line to be resurveyed.