Sentence 1: The First Oil Well in Oklahoma was drilled in 1885 in Atoka County , Choctaw Nation , Indian Territory , though it was not completed until 1888 .
Sentence 2: The first oil source in Oklahoma was drilled in 1885 in Atoka County , Choctaw Nation , Indian territory , although it was not completed until 1888 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?