Sentence 1: The estuary of the Batten Kill is in East Dorset , Vermont , and the source of the river is in Easton , New York .
Sentence 2: The mouth of Batten Kill is in Easton , New York , and the source of the river is at East Dorset , Vermont .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?