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.
Northeast Cape Fear River The Northeast Cape Fear River is a blackwater river tributary of the Cape Fear River, approximately 130 mi (209 km) long, in southeastern North Carolina in the United States.