Question: What type of water transportation system did both the Rapidan Dam Canal of the Rappahannock Navigation and the Main Line of Public Works work to establish?
Sentence (from "Rapidan Dam Canal of the Rappahannock Navigation"): The Rapidan Dam Canal of the Rappahannock Navigation is a canal intended to safely carry Batteaus, sturdy flat-bottomed boats used primarily for transporting cargo, around the rapids at the confluence of the Rappahannock and Rapidan Rivers.
Relevant evidence: Yes