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141
Paleobotanica y geologia de Tecomatlan, estado de Puebla /
Mexico, Mexico : Universidad Nacional Autonoma de Mexico, Instituto de Geologia, 1969

Book
142
El Jurásico inferior de México y sus amonitas
México, 1956

Conference Proceeding Book
143
The British Rhaetic flora,
by Harris, Thomas Maxwell, 1903-1983
London, Printed by order of the Trustees of the British museum, 1938

Book
144
Ammonites from the Buchia zones in northwestern California and southwestern Oregon,
by Imlay, Ralph W. (Ralph Willard), 1908-1989, Jones, David Lawrence, 1930-
Washington, U.S. Govt. Print. Off., 1970

Government Document Book
145
Middle Jurassic (Bathonian) ammonites from southern Alaska /
by Imlay, Ralph W. (Ralph Willard), 1908-1989
Washington : U.S. Govt. Print. OFf : For sale by the Supt. of Docs., GPO, 1980

Government Document Book
146
The Jurassic faunas of the Canadian Arctic: Cadoceratinae.
by Frebold, Hans, 1899-
[Ottawa] Dept. of Mines and Technical Surveys, Canada 1964

Book
147
Hettangian Ammonite faunas of the Taseko Lakes area, British Columbia.
by Frebold, Hans, 1899-
Ottawa, Queen's Printer, 1967

Government Document Book
149
The Jurassic flora of Cape Lisburne, Alaska /
by Knowlton, Frank Hall, 1860-1926
Washington : Govt. Print. Off., 1914

Government Document Book
150
Lithology and subdivisions of the Jurassic stump formation in southeastern Idaho and adjoining areas /
by Pipiringos, G. N. (George Nicholas), 1918-, Imley, Ralph Willard, 1908-
Washington : U.S. Govt. Print. Off., 1979

Government Document Book
151
Middle Jurassic (Bajocian and Bathonian) ammonites from northern Alaska /
by Imlay, Ralph W. (Ralph Willard), 1908-1989
Washington : U.S. Govt. Print. Off., 1976

Government Document Book
152
Hydrogeology of Jurassic and Triassic wetlands in the Colorado Plateau and the origin of tabular sandstone uranium deposits /
by Sanford, Richard F.
Washington : Denver, CO : U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1994

Government Document Book
153
Biochronology of Jurassic-Cretaceous transition beds in Canada
by Jeletzky, J. A. (Jurjiz Alexander), 1915-
[Ottawa] Dept. of Energy, Mines and Resources 1971

Government Document Book
154
Revisions to stratigraphic nomenclature of Jurassic and Cretaceous rocks of the Colorado Plateau.
[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988

Government Document Book
155
The Jurassic of the Gulf Rim : proceedings of the Third Annual Research Conference, Gulf Coast Section, Society of Economic Paleontologists and Mineralogists Foundation ; edited by William P.S. Ventress [and others].
[Houston] : Austin, Tex. : Gulf Coast Section, Society of Economic Paleontologists and Mineralogists Foundation ; Distributed by Earth Enterprises, 1984

Book
156
Jurassic paleobiogeography of Alaska /
by Imlay, Ralph W. (Ralph Willard), 1908-1989
Washington : B U.S. Govt. Print. Off., 1973

Government Document Book
157
Jura.
by Hölder, Helmut
Stuttgart, F. Enke, 1964

Book
158
Some Jurassic ammonites from central Saudi Arabia,
by Imlay, Ralph W. (Ralph Willard), 1908-1989
Washington, U.S. Govt. Print. Off., 1970

Government Document Book
159
Middle Jurassic (Bajocian) ammonites from eastern Oregon /
by Imlay, Ralph W. (Ralph Willard), 1908-1989
Washington : U.S. Govt. Print. Off., 1973

Government Document Book
160
Jurassic (Bathonian and Callovian) ammonites in eastern Oregon and western Idaho /
by Imlay, Ralph W. (Ralph Willard), 1908-1989
Washington : U.S. Govt. Print. Off., 1981

Government Document Book
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