Sentence 1: Alander Mountain and the southern escarpment of the western Taconic Mountains lie along the western border of Columbia County , New York at the Mount Washington line .
Sentence 2: Alander Mountain and the southern embankment of the western Taconic Mountains lie along the western border of Columbia County , New York , on the Mount Washington line .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?