What is the length of the River which has Wild Horse Creek as a tributary ?
Powder River (Wyoming and Montana) Powder River is a tributary of the Yellowstone River, approximately 375 mi long in northeastern Wyoming and southeastern Montana in the United States. It drains an area historically known as the Powder River Country on the high plains east of the Bighorn Mountains.
Buffalo Creek (Maury River) Buffalo Creek is a 16.0 mi tributary of the Maury River in Rockbridge County in the U.S. state of Virginia. It is part of the James River watershed.