Sentence 1: He was born in New Westminster and worked on the lower Fraser and Fraser River sternwheelers before coming to the upper Yukon River in the early 1900s .
Sentence 2: He was born in New Westminster and worked on the lower Fraser and Yukon River star cyclists before coming to the upper Fraser River in the early 1900s .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?