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Biostratigraphy and paleoecology of the upper Miocene (Messinian) and lower Pliocene(?) Cerro de Alm

Poore, Richard Z.
[Reston, Va.?] : U.S. Dept. of the Interior, Geological survey ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., 1981 i.e. 1980. 1981

Eocene to Miocene biostratigraphy of New Jersey core ACGS #4 : implications for regional stratigraph

Poore, Richard Z.
[Washington, D.C.] : U.S. G.P.O. ; Denver CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988. 1988

Microfossil correlation of California, Lower Tertiary sections : a comparison : synthesis of data on

Poore, Richard Z.
Washington : U.S. Govt. Print. Off., 1976. 1976

Paleoclimate and mineral deposits

[Reston, Va.?] : U.S. Geological Survey, 1983. 1983