This is a Message Board Post that is gatewayed to this mailing list. Classification: Query Message Board URL: http://boards.ancestry.com/mbexec/msg/rw/SBC.2ACI/391.1 Message Board Post: The Potomac Company was a company created to build a canal around the Great Falls on the Potomac River. The town of Matildaville was also founded at the same time. There are still ruins of the canal and Matildaville. The site is now located in the Great Falls Park in Fairfax County Virginia.