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The Buffalo Peaks Andesite of central Colorado : a restudy and adoption of a formal name for the and

Sanders, George F., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1976. 1976

Carbonate systems during the Oligocene-Miocene climatic transition

Hoboken, NJ : Blackwell Pub., 2010. 2010

Lithologic characteristics of upper Oligocene and Miocene rocks drilled at Elk Hills, Kern County, C

Adkison, W. L., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973. 1973

Revised stratigraphy and radiometric ages of volcanic rocks and mineral deposits in the Marysvale ar

Steven, Thomas A. (Thomas August), 1917-2013 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1979. 1979

Stratigraphic revision of the middle Eocene, Oligocene, and lower Miocene--Atlantic Coastal Plain of

Ward, Lauck W., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978. 1978

Stratigraphy, regional distribution, and reconnaissance geochemistry of Oligocene and Miocene volcan

John, David A., author.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992. 1992

Uppermost Oligocene and lowermost Miocene ash-flow tuffs of western Nevada

Robinson, Paul T., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1984. 1984

Uranium and diagenesis in evaporitic lacustrine mudstone of the Oligocene White River Group, Dawes C

Dickinson, Kendell A., 1931- author.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1991. 1991