Enlargement Tailings Basin Evaporation Reservoir is a reservoir located in Converse County, Wyoming. It appears on the Bobby Draw USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 5,142.65 feet (1,567.48 m) above sea level. The nearest populated place is Whipple Hollow, approximately 6.2 miles to the WNW.