Those parts of Ontario, Seneca, Wayne, and Yates Counties lying within a continuous line beginning at the intersection of Route 31 and the west bank of the Seneca River; thence westerly along Route 31 to Wayne County Route 308 (Canandaigua Road) at Macedon; thence southerly along Wayne County Route 308 to Ontario County Route 8; thence southerly along Ontario County Route 8 to the New York State Thruway; thence easterly along the New York State Thruway to Route 21 near Manchester; thence southerly along Route 21 to North Main Street in the City of Canandaigua (still Route 21); thence southerly along North and South Main Streets to the City Pier at the north end of Canandaigua Lake; thence easterly along the north shore and southerly along the east shore of Canandaigua Lake to Deep Run Creek in the Town of Gorham; thence easterly along Deep Run Creek to Route 364; thence southerly and easterly along Route 364 to Route 14A; thence southerly along Route 14A to Route 54 in Penn Yan; thence northeasterly along Route 54 to East Main Street in the Village of Penn Yan; thence southeasterly along East Main Street to Yates County Route 1 (Himrod Road); thence southeasterly along Yates County Route 1 to Yates County Route 36; thence northeasterly along Yates County Route 36 to Plum Point Road; thence southerly along Plum Point Road to Plum Point Creek; thence easterly along Plum Point Creek to the west shore of Seneca Lake; thence northerly along the west shore of Seneca Lake to the Milo-Torrey Town boundary; thence easterly along the Milo-Torrey Town boundary to the Seneca-Yates County boundary (middle of Seneca Lake); thence northerly along the Seneca-Yates County boundary to the Romulus-Ovid town boundary; thence easterly along this boundary to Willard Road; thence easterly along Willard Road to Route 96A; thence easterly along Route 96A to Seneca County Route 139; thence southerly and easterly along Seneca County Route 139 to Sheldrake Park Road; thence easterly along Sheldrake Park Road to the west shore of Cayuga Lake; thence northerly along the west shore of Cayuga Lake to the west bank of the Seneca River; thence northerly along the west bank of the Seneca River to the point of beginning.