What is the length of the River which has Wild Horse Creek as a tributary ?
Wild Horse Creek (Wyoming) Wild Horse Creek is a tributary of the Powder River in Wyoming. The USGS has a station on the creek, near Arvada.
Elk Creek (West Virginia) Elk Creek is a tributary of the West Fork River, 29 mi long, in north-central West Virginia in the United States. Via the West Fork, Monongahela and Ohio Rivers, it is part of the watershed of the Mississippi River, draining an area of 121 sqmi on the unglaciated portion of the Allegheny Plateau. The stream is believed to have been named by an 18th-century trapper and hunter named John Simpson, who encountered herds of elk along the stream.