Stratigraphy and structure of Middle and Upper Ordovician rocks in the Sedgwick Basin and adjacent areas, south-central Kansas /

Itinerary: 1. Lithostratigraphy of the Ordovician Lexington limestone and Clays Ferry formation of the central Bluegrass area near Lexington, Kentucky /
by: Black, Douglas F. B.
Published: (1965)

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

Stratigraphy and paleoecology of the Saluda Formation (Cincinnation) in Indiana, Ohio, and Kentucky.
by: Hatfield, Craig Bond
Published: (1968)

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

Subsurface Trenton and sub-Trenton rocks in Ohio, New York, Pennsylvania and West Virginia.
by: Fettke, Charles R. (Charles Reinhard), 1888-1959
Published: (1948)

Trenton and sub-Trenton of outcrop areas in New York, Pennsylvania and Maryland.
by: Swartz, Frank McKim, 1899-
Published: (1948)

Geology and hydrology of the Martinsburg formation in Dauphin County, Pennsylvania /
by: Carswell, Louis D.
Published: (1968)

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

The environment of deposition and reservoir characterization of the Simpson Rocks (Middle Ordovician) at the Scully Field, Marion County, Kansas /
by: McRae, Martha Fay, 1964-
Published: (1991)

The correlation of rocks of Simpson age in north-central Kansas with the St. Peter Sandstone and associated rocks in north-western Missouri /
by: Leatherock, Constance, 1898-
Published: (1945)

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

Middle Ordovician stratigraphy in central Sequatchie Valley, Tennessee /
by: Milici, Robert C., 1931-
Published: (1970)

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

The Shawangunk Formation (Upper Ordovician(?) to Middle Silurian) in eastern Pennsylvania /
by: Epstein, Jack Burton, 1935-, et al.
Published: (1972)

Petrology of the upper Ordovician and lower Silurian rocks in the central Appalachians /
by: Horowitz, Daniel H.
Published: (1965)

Upper Ordovician and Silurian stratigraphy in Sequatchie Valley and parts of the adjacent valley and ridge, Tennessee /
by: Milici, Robert C., 1931-

Lithostratigraphy of upper Ordovician strata in Alabama /
by: Neathery, Thornton Lee
Published: (1985)

Precambrian and Lower Ordovician rocks in east-central Idaho.
Published: (1975)

Revision of Upper Ordovician and Silurian rocks of the Northern Peninsula of Michigan /
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1975)

Lithostratigraphy of upper Ordovician strata exposed in Kentucky /
by: Weir, Gordon W. (Gordon Whitney), 1922-2011
Published: (1984)

Champlainian series (Middle Ordovician) in Illinois /
by: Templeton, Justus Stevens, 1914-
Published: (1963)

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

The American Upper Ordovician standard: VII. : Stratigraphy and petrology of the Cynthiana and Eden formations of the Ohio Valley /
by: Weiss, Malcolm P. (Malcolm Pickett), 1921-
Published: (1965)

Early Ordovician (Arenig) stratigraphy and faunas of the Carmarthen district, south-west Wales /
by: Fortey, Richard A.
Published: (1978)

Upper Cambrian-Lower Ordovician Notch Peak Formation in western Utah /
by: Hintze, Lehi F.
Published: (1988)

Aspects of the Ordovician system /
Published: (1984)

Cambrian and Ordovician stratigraphy and oil and gas possibilities in Indiana.
by: Gutstadt, Allan M.
Published: (1958)

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

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

Ordovician of the Great Basin : fieldtrip guidebook and volume for the Seventh International Symposium on the Ordovician System, Las Vegas, Nevada, USA, June 1995 /
Published: (1995)

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)

Ordovician odyssey : short papers for the Seventh International Symposium on the Ordovician System, Las Vegas, Nevada, USA, June 1995 /
Published: (1995)

A global analysis of the Ordovician-Silurian boundary /
Published: (1988)

Lithostratigraphy and depositional environments of the Lexington Limestone (Ordovician) of central Kentucky /
by: Cressman, Earle Rupert, 1923-
Published: (1973)

Late Ordovician-Early Silurian strata in the central United States and the Hirnantian stage /
by: Amsden, Thomas William
Published: (1986)