Reference | {Deposit:: Lane, A.C., 1898, Upper Peninsula, Isle Royale: Geological Survey of Michigan, v. 6, part 1, 28 p.}{Deposit:: Huber, N.K., 1973, Geological map of Isle Royale National Park, Keweenaw County, Michigan: U.S. Geological Survey Miscellaneous Geological Investigations Map I-796, scale 1:62500.}{Production:: LANE, 1898} |