Thro' the Swamp O runs severall small Creeks weh being joined at P make what is called Stoney Creek, weh at midling dry Seasons is too shallow to float Batteaus to Fort Bull for which Reason a little above P there isa Dam and Sluice to Raise a head of Water in the Swamp O. TheSluice is shut 6 or 8 hours before the Batteaus are to go to and from Fort Bull, when ready, it is opened weh gives water sufficient to float them.
The Portage as the Road runs over the Carrying Place is 5940 feet but the Streight Prickt Line S is about 4980 feet thro the Spine Swamp we? is nearly on a level, thro? web if a Ditch was cut Loaded Batteaus might go and have no Portage att all, besides by a Sluice it might be made a dry or a Nayigable channel at Pleasure.
All within the Line of trees as marked in the Plan is cleared ; all the rest of the Country is covered with tall Timber Trees, and but little underwoods ; The Swamp on the the S, Wt of Ft' Stanwix, is chiefly Pine and some White Cedar ; There are also some white Pines in the Swamp on the East side of the Fort, all the rest of the woods are Elm, Beach, Rock Maple, Birtch, Popplar, and a few Trees of the wild Cherry kind ; The Plan is laid down by a Sealeof 400ft to an Inch froman actual Survey Taken in Noy'1758.