Ordovician and older rocks of the Bayhorse area, Custer County, Idaho /

Geology and ore deposits of the Bayhorse region, Custer County, Idaho /
by: Ross, Clyde P. (Clyde Polhemus), 1891-1965
Published: (1937)

Sapphirine in Precambrian rocks associated with stratabound sulfide deposits, Custer County, Colorado /
by: Raymond, William H.
Published: (1980)

Geology of an Ordovician stratiform base-metal deposit in the Long Canyon area, Blaine County, Idaho /
by: Otto, Bruce R.
Published: (2003)

Stratigraphy of the Cambrian and Ordovician rocks of east-central Alaska /
by: Brabb, Earl E., 1929-
Published: (1967)

Geologic map of the Jerry Peak Wilderness study area, Custer County, Idaho /
by: McIntyre, David H.
Published: (1982)

Stratigraphy of Middle Ordovician rocks in the zinc-lead district of Wisconsin, Illinois, and Iowa /
by: Agnew, Allen F., 1918-2012
Published: (1956)

Middle Ordovician rocks of the Tellico-Sevier Belt, Eastern Tennessee.
by: Neuman, Robert B., 1920-
Published: (1955)

Geologic map of the Gilmore quadrangle, Lemhi and Custer Counties, Idaho /
by: Ruppel, Edward Thompson, 1925-
Published: (1981)

Geologic map of the Challis quadrangle, Custer and Lemhi counties, Idaho /
by: McIntyre, David H.
Published: (1987)

Geologic map of Mt. Jordan and vicinity, Custer County, Idaho /
by: Foster, Fess
Published: (1982)

Map showing geochemistry of stream sediments in the Jerry Peak Wilderness Study Area, Custer County, Idaho /
Published: (1984)

Geologic map and sections of the Doublespring quadrangle, Custer and Lemhi Counties, Idaho /
by: Mapel, W. J. (William Jameson), 1922-
Published: (1965)

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, central Idaho : stratigraphic and structural revisions, and new data on graptolite faunas /
by: Dover, James H.
Published: (1980)

Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Medina County, Ohio, through southwestern and south-central Pennsylvania to Hampshire County, West Virginia /
by: Ryder, Robert T.
Published: (1992)

Geology of part of the Alder Creek mining district Custer County, Idaho : discusses the relationships between the ore deposits and the intrusive and metamorphic rocks of the Alder Creek mining district /
by: Nelson, Willis H. (Willis Howard), 1920-2010, et al.
Published: (1968)

Geologic map of the Borah Peak quadrangles, Idaho with structure sections /
by: Ross, Clyde P. (Clyde Polhemus), 1891-1965
Published: (1947)

Geologic map and sections of the central Pioneer Mountains, Blaine and Custer Counties, central Idaho /
by: Dover, James H.
Published: (1983)

Geologic and geochemical map of Jerry Peak West and Boulder Creek Wilderness Study Areas, Custer County, Idaho /
Published: (1984)

Mineral resource potential maps of the Jerry Peak, Jerry Peak West, and Boulder Creek Wilderness Study Areas, Custer County, Idaho /
by: McIntyre, David H.
Published: (1984)

Composition, clay mineralogy, and diagenesis of the Simpson Group (Middle Ordovician), Grady County, Oklahoma /
by: Pollastro, Richard M.
Published: (1991)

Petrology and depositional facies of siliciclastic rocks of the Middle Ordovician Simpson Group, Mazur Well, southeastern Anadarko Basin, Oklahoma /
by: Flores, Romeo M.
Published: (1990)

Upper Cambrian and Lower Ordovician rocks in Kansas /
by: Keroher, Raymond P., 1899-
Published: (1948)

Some ore deposits in northwestern Custer County, Idaho /
by: Umpleby, Joseph B. (Joseph Bertram), 1883-1967
Published: (1913)

The Middle and Upper Ordovician rocks of Michigan.
by: Hussey, Russell C. (Russell Claudius), 1888-
Published: (1952)

Metamorphism of the Belt Series in the Elk River-Clarkia area, Idaho /
by: Hietanen, Anna Martta, 1909-
Published: (1963)

Stratigraphy and geologic history of Middle Ordovician rocks of central Tennessee.
by: Wilson, Charles William, 1905-
Published: (1962)

Stratigraphy and structure of Middle and Upper Ordovician rocks in the Sedgwick Basin and adjacent areas, south-central Kansas /
by: Adkison, W. L.
Published: (1972)

Ordovician and Silurian graptolite succession in the Trail Creek area, central Idaho--a graptolite zone reference section /
by: Carter, Claire

Correlation of Ordovician limestone at Salona, Clinton county, Pennsylvania /
by: Whitcomb, Lawrence, 1900-
Published: (1932)

Stratigraphy, sedimentology, and Cambro-Ordovician paleogeography of the Frederick Valley, Maryland /
by: Reinhardt, Juergen, 1946-
Published: (1974)

Anorthosite and associated rocks in the Boehls Butte quadrangle and vicinity, Idaho /
by: Hietanen, Anna Martta, 1909-
Published: (1963)

Aspects of the Ordovician system /
Published: (1984)

Ordovician and Silurian strata from well core in Schoolcraft County, Michigan /
by: Ehlers, George Marion, 1891-
Published: (1967)

The Ordovician system : proceedings of a Palaeontological Association symposium, Birmingham, September 1974 /
Published: (1976)

The Ordovician graptolites of Spitsbergen /
by: Cooper, Ronald A.
Published: (1982)

The Ordovician system in Canada : correlation chart and explanatory notes /
by: Barnes, Christopher R.
Published: (1981)