You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Drainage of McDonough Lake into Great Bear Lake, vicinity of Eldorado Mine, Port Radium, east end of McTavish Arm, Great Bear Lake Remove constraint Place: Drainage of McDonough Lake into Great Bear Lake, vicinity of Eldorado Mine, Port Radium, east end of McTavish Arm, Great Bear Lake