Just west of Green River, standing between Wyoming Highway 374 and Interstate 80, is one of the most distinctive landmarks in Sweetwater County - Tollgate Rock. 374 passes along its western base and has seen several designations since the early 1870s. The Sweetwater County Historical Museum recently received a research inquiry about the origin of the promontory's name; specifically, whether or not it was ever the site of an actual toll gate. The answer is "yes."

The Green River-South Pass Stage Road

The Union Pacific Railroad reached Green River in 1868. By that year the gold rush in...