Welcome to the Kids' Library!

Depositional environments for strata of composite section of Frontier Formation, Madison Range, sout

Tysdal, Russell G., author.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1991. 1991

Geology of the Buchanan quadrangle, Liberia

Tysdal, Russell G., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978. 1977

Geology of the Juazohn quadrangle, Liberia

Tysdal, Russell G., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978. 1978

The Livingston Formation in the Madison Range of southwestern Montana

Tysdal, Russell G., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987. 1987

Mineral resources of the Blacktail Mountains Wilderness Study Area, Beaverhead County, Montana

Tysdal, Russell G., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987. 1987

Mineral resources of the Quigg West Wilderness Study Area, Granite County, Montana

Tysdal, Russell G., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1988. 1988

Mineral resources of the Ruby Mountains wilderness study area, Madison County, Montana

Tysdal, Russell G., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987. 1987

Mineral resources of the Sleeping Giant Wilderness Study Area, Lewis and Clark, County, Montana

Tysdal, Russell G., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1991. 1991

Paleozoic and Mesozoic stratigraphy of the northern part of the Ruby Range, southwestern Montana

Tysdal, Russell G., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1976. 1976

Stratigraphic studies in southwestern Montana and adjacent Idaho--lower Tertiary Anaconda Conglomera

Reston, Va. : U.S. Geological Survey, 2005. 2005