[Robert Bolton, Jr. (1848)] Mr. Joshua Carpenter, ^^ the present occupant of the house, still points out the spot where the bed of Colonel Green stood, and the window from which Major Flagg fired his pistols, while the old fashioned wainscoting and doors are pierced with nu-merous bullet holes. A large addition has been since added to the house, on the east. The wonderfully extensive views which this elevated spot commands, wiil amply repay the visitor, besides the interest attached to the above associations. In the south east corner of Yorktown, is situated the great dam of theCroton Acqueduct, one of the most important and ex-tensive works ever undertaken in this country. "The dam across the Croton, is placed where the river enters between the hills, after having passed for several miles through a more level country. The hill on the south side is composed of solid rock."t> The dam itself "is not of great length, but is one of the most ingenious works of substantial masonry any where to be found. The highest point of the structure is rather more than fifty feet above the natural bed of the Croton. By this elevation, the water is thrown back more than six miles, forming a beautiful lake of several hundred acres, containing about 100,000,000 gallons for each foot in depth for the surface. The water is drawn into the acqueduct by means of a tunnel cut into the rock, which constitutes the hill on the south side.