Sand

von Geraci, Philip J.
Veröffentlicht in Cameron, Cornelia C., 1911 - 1994 Mineral resources of the Bradwell Bay Wilderness and the Sopchoppy River Study Area, Wakulla County, Florida (1977)

Mineral resources of the Rock River canyon wilderness study area, Alger county, Michigan

von Whitlow, Jesse W.
Veröffentlicht 1983

Mineral resources of the Ramseys Draft wilderness study area, Augusta County, Virginia : an evaluation of the mineral potential of the area

von Lesure, Frank G.
Veröffentlicht 1977

Mineral resources of the Bradwell Bay Wilderness and the Sopchoppy River Study Area, Wakulla Country, Florida : an evolution of the mineral potential of the area

Veröffentlicht 1977

Mineral resources of the Rock River Canyon wilderness study area, Alger County, Michigan

von Whitlow, Jesse W.
Veröffentlicht 1983