...thin another day staked out Forts Ethan Allen and Marcy, and ten strong regiments fell to hacking down trees and throwing up parapets. Still further up the tow-path of the sleepy old Chesapeake and Ohio Canal , the men of Massachusetts, New York, and Minnesota made their lodgment opposite Edwards' Ferry, and presently from Maryland Heights down to where Anacostia Branch joins the Potomac, the northern shor...