Mineral resources of the Sturgeon River wilderness study area, Houghton and Baraga Counties, Michigan : an evaluation of the mineral potential of the area /

Autor Cannon, William F., King, Elizabeth R., 1924-2010, Hill, James J., Mory, Peter C.
Vydáno 1980

Mineral resources of the Rainbow Lake Wilderness Area and Flynn Lake Wilderness Study Area, Bayfield County, Wisconsin /

Autor Cannon, William F., Cameron, Cornelia C., 1911-1994, Grosz, A. E., Dunn, Maynard L., Gazdik, Gertrude C., Hill, James J.
Vydáno 1981

Revisions of stratigraphic nomenclature within the Keweenawan supergroup of northern Michigan /

Autor Nicholson, Suzanne W.
Vydáno 1992