36 Pa. Stat. § 1439
Beginning at a point on Route One Hundred and Ninety-eight about one-quarter of a mile west of the Borough of Lansdale on the boundary line between Towamencin and Upper Gwynedd Townships in the County of Montgomery; running thence southwesterly and crossing the Sumneytown Turnpike Road and Morris Road to Route Number One Hundred and Ninety-seven at Center Point; thence continuing in said southwesterly direction and continuing on through the Township of Worchester, crossing the Germantown Pike at Fairview Village to the junction of this road with Route Number One Hundred and Forty-six at Trooper; thence continuing along Route Number One Hundred and Forty-six in a southeasterly direction about a quarter of a mile through Lower Providence Township to the boundary line of Lower Providence Township with West Norriton Township; thence in a southwesterly direction along the road dividing Lower Providence and West Norriton Townships to the Schuylkill River, and crossing the Schuylkill River over the bridge between Betzwood and Port Kennedy, and on through Upper Merion Township to Route Number Two Hundred and One at Valley Forge Park and the road from Hatboro to Ivyland.
36 P.S. § 1439