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Ammonite faunas of the Sarten sandstone (Cretaceous), Luna County, New Mexico

Cobban, William Aubrey, 1916-2015 author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987. 1986

The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the wester

Cobban, William Aubrey, 1916-2015 author.
Washington : U.S. Department of the Interior, Geological Survey, 1969. 1969

The Lower Cretaceous ammonite Schloenbachia leonensis Conrad var. equidistans Cragin

Cobban, William Aubrey, 1916-2015 author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1985. 1985

Molluscan fossils and stratigraphic descriptions from the Upper Cretaceous Mancos Shale, west-centra

Merewether, E. A. (Edward Allen), 1930-
Reston, Va. : U.S. Geological Survey, 2006. 2006

Outcrops, fossils, geophysical logs, and tectonic interpretations of the upper Cretaceous Frontier F

Merewether, E. A. (Edward Allen), 1930-
Reston, Va. : U.S. Geological Survey, 2010. 2010

Stratigraphic terminology of the Dakota Sandstone and Mancos Shale, West-Central New Mexico

Landis, Edwin R. (Edwin Robert), 1926- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973. 1973

The Upper Cretaceous ammonite Watinoceras Warren in the western interior of the United States

Cobban, William Aubrey, 1916-2015.
[Washington] : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988. 1988

A USGS zonal table for the Upper Cretaceous middle Cenomanian-Maastrichtian of the Western Interior

Reston, Va. : U.S. Geological Survey, 2006. 2006

The hopes of the human race, hereafter and here.

Cobbe, Frances Power, 1822-1904.
New York, J. Miller, 1876. 1876