Mineral-resource evaluation of the Round Lake Wilderness study area, Price and Vilas Counties, Wisconsin /

Autor Cannon, W. F., Cameron, Cornelia C., 1911-1994, Grosz, A. E., Klasner, John S., Williams, Bradford B.
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