Those parts of Chemung, Schuyler, and Steuben Counties lying within a continuous line beginning at the intersection of Routes 54 and 54A near Hammondsport; thence southwesterly along Route 54 to Route 415 (Washington Street) at Bath; thence westerly along Route 415 to Belfast Street; thence westerly along Belfast Street to Route 17 (Southern Tier Expressway); thence southeasterly and easterly along Route 17 to Route 13 near Horseheads; thence northerly along Route 13 to Route 223; thence easterly and northeasterly along Route 223 to Route 224 in the Town of Van Etten; thence northwesterly along Route 224 to Route 14 at Montour Falls; thence northerly along Route 14 to Route 409 at Watkins Glen; thence northwesterly along Route 409 to Schuyler County Route 28; thence northwesterly along Schuyler County Route 28 to Schuyler County Route 23; thence northwesterly and westerly along Schuyler County Route 23 to Steuben County Route 114; thence westerly along Steuben County Route 114 to Steuben County Route 96; thence westerly along Steuben County Route 96 to Steuben County Route 87; thence southwesterly along Steuben County Route 87 to Route 54; thence southwesterly along Route 54 to the point of beginning.