Which Montana tributary was Emmet Sullivan born in?
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.
Egg River The Egg River is a 16 mi tributary of the Otter Tail River of Minnesota in the United States. It flows through a chain of lakes in the Tamarac National Wildlife Refuge and the White Earth Indian Reservation in Becker County, Minnesota.