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.
Catskill Creek Catskill Creek is a 46.0 mi tributary of the Hudson River that drains the east northern Catskill Mountains of the U.S. state of New York. From its source at Franklinton Vlaie in Schoharie County it flows southeast through parts of Albany County and Greene County to its mouth at the village of Catskill on the Hudson River.