Keaton Number Fs 9 249 13 Reservoir is a reservoir located in Weston County, Wyoming. It appears on the Lion Creek USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 4,244.13 feet (1,293.61 m) above sea level. The nearest populated place is Underwood Crossing, approximately 0.9 miles to the ESE.