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.
Calvey Creek Calvey Creek is a stream in Franklin and Jefferson counties in the U.S. state of Missouri. It is a tributary to the Meramec River.