Sentence 1: The central shaft reached a depth of 2980 feet and a southern shaft was sunk in 1928 to reach a depth of 3,600 feet .
Sentence 2: The south shaft reached a depth of 2980 feet and a central shaft was sunk in 1928 to reach a depth of 3600 feet .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?