N.Y. Comp. Codes R. & Regs. tit. 6, § 269.2
All that area bounded by a line commencing at the intersection of Route 66 and Claverack Creek; thence southerly along Claverack Creek to Taghkanic Creek; thence due west to Route 9; thence northwesterly along a straight line to the intersection of Route 9G and the Hudson city line; thence clockwise along the city line to Route 9; thence northerly along Route 9 to Maple Avenue; thence easterly along Maple Avenue to the power transmission lines; thence northeasterly along the power transmission lines to Claverack Creek; thence southerly along Claverack Creek to the beginning point.