1. Water-surface profile and flood boundaries for the computed 100-year flood, Muddy Creek, Northern Cheyenne Indian Reservation, Montana Yale Public content 1994. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; U.S. G.P.O. English. Public. Montana, Northern Cheyenne Indian Reservation, Big Horn County, and Northern Cheyenne Indian Reservation (Mont.).