Almost inaudible: A leaf falling: 20: Audible: Rustles of autumnal leaves: 30: Very quiet: Whispering: 40: Living room, quiet classroom: 50: Limited sound: Refrigerator working, car driving past: 55: Percolating coffee-maker: 60: Audible: Sound of human voice, machinery: 70: Irritating: Television set on loud, vacuum cleaner, several people on the telephone: 75: Constant sound
The Dominguez-Escalante expedition was the first on it, traveling from Utah Lake to present-day Scipio. Jedediah Smith traveled most of it in 1826 and 1827, and other trappers, including Ewing Young, Kit Carson, and Peter Skene Ogden, followed. John C. Fr?nt mapped the country up to Utah Lake in 1844, and in 1848 Miles Goodyear took a pack train over the entire Salt Lake-Los Angeles route.
Entrance Fees - Annual Passes. Note: Entrance fees do not include ferry charges. For more information on the ferry which runs between Halls Crossing and Bullfrog, you can call UDOT in state at 511 or out of state at 1-866-511-UTAH or visit the UDOT website.