Sentence 1: The dam is operated by the United States Bureau of Reclamation , which has built it , and is owned by the Elephant Butte Irrigation District .
Sentence 2: The dam is operated by the United States Bureau of Reclamation , which built it , and is owned by the Elephant Butte Irrigation District .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?