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BOOK
Title Contributions to Late Cretaceous stratigraphy and paleontology, western Montana.
Imprint Washington, D.C. : U.S. G.P.O. ; Denver CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1991.

Copies/Volumes

LOCATION CALL # STATUS
 GovDocs Federal  I 19.3:1960-1966    AVAILABLE
Description vi, 26 p. : ill., maps ; 28 cm.
Series U.S. Geological Survey bulletin ; 1962.
Bibliog. Includes bibliographical references.
Note "This volume is published as chapters A-C. These chapters are not available separately."
Bound under title: Mineral resource potential of the NB-20-4 Quadrangle, Eastern Guayana Shield, Bolivar State, Venezuela.
Subject Geology, Stratigraphic -- Cretaceous.
Paleontology -- Cretaceous.
Geology -- Montana.
Geology -- Idaho.
Paleontology -- Montana.
Contents A. Redefinition of Frontier Formation-Beaverhead Group contact, Lima Peaks area, southwestern Montana and southeastern Idaho / by T.S. Dyman, J.C. Haley, and W.J. Perry, Jr. -- Biostratigraphic correlation of Santonian and Campanian formations in the northwestern part of Yellowstone National Park, Madison Range, and Livingston area of southwestern Montana / by R.G. Tysdal and D.J. Nichols -- Occurrence and significance of the middle Turonian (Upper Cretaceous) belemnite Actinocamax in central western Montana / by William A. Cobban.
Other Author Dyman, T. S. Redefinition of Frontier Formation-Beaverhead Group contact, Lima Peaks area, southwestern Montana and southeastern Idaho.
Tysdal, Russell G. Biostratigraphic correlation of Santonian and Campanian formations in the northwestern part of Yellowstone National Park, and the Madison Range and Livingston area of southwestern Montana.
Cobban, William A., 1916-2015. Occurrence and significance of the middle Turonian (Upper Cretaceous) belemnite Actinocamax in central western Montana.