There were three generations of William Cabells who were surveyors. Dr. William Cabell (1700-1774) was a physician and assistant surveyor of Goochland and Albemarle Counties, Virginia under Joshua Fry and William Mayo. His son William Cabell (1729/30-1798) was also assistant surveyor of Albemarle County and surveyor of Amherst County, Virginia. His son and the third William Cabell (b. 1759) was surveyor of Amherst County, Virginia. Further information about this individual or organization may be available in the Special Collections Research Center Wiki: http://scrc.swem.wm.edu/wiki/index.php/William Cabell, Dr..
Hughes, Sarah S.Surveyors and Statesmen: Land Measuring in Colonial Virginia.Richmond, Va.:Virginia