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 Cranberry Wilderness study area, Webster and Pocahontas Counties, West Virginia /

Autor Meissner, Charles R., Windolph, John F., Mory, Peter C., Harrison, Donald K., Cameron, Cornelia C., 1911-1994, Grosz, A. E., Perry, William J., Lesure, Frank G.
Vydáno 1981

Mineral resources of the Dolly Sods Wilderness area, Grant, Randolph, and Tucker Counties, West Virginia : an evaluation of the mineral potential of the area /

Autor Englund, Kenneth John, 1925-2003, Warlow, Ralph C., Hill, James J., Mory, Peter C., Williams, Bradford B., Dunn, Maynard L., Cameron, Cornelia C., 1911-1994, Lesure, Frank Gardner, 1927-, Perry, William J.
Vydáno 1980