Original sentence: The half day path up over  West Pass was easy compared to the climb to Carson Pass and was used by thousands of wagons from 1848 to 1863, when a better route was finally blasted out of the face of the cliffs at Carson Spur
Edited sentence: A better route was finally blasted out of the face of the cliffs at Carson Spur in 1863 by the Amador and Nevada Wagon Road--a toll road around Carson Spur.The half day path up over  West Pass was easy compared to the climb to Carson Pass and was used by thousands of wagons from 1848 to 1863