Topaicí Molta laistigh de do chuardach.
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202
Revised nomenclature and stratigraphic relationships of the Fredericksburg complex and Quantico formation of the Virginia Piedmont /
le Pavlides, Louis, 1921-
Washington : U.S. Govt. Print. Off., 1980

Government Document Leabhar
203
Before the dinosaurs /
[Place of publication not identified] : [publisher not identified], 2006
Widescreen.

Neamhaithnid
204
Rugosa and tabulata /
le Hill, D.
Boulder, Colo. : Geological Society of America and the University of Kansas, 1981

Leabhar
206
Stratigraphy of Paleozoic rocks in the Carlin-Pinon Range area, Nevada /
le Smith, J. Fred (Joe Fred), 1911-1982
Washington : U.S. Govt. Print. Off., 1975

Government Document Leabhar
208
Marathon Thrust Belt-- structure, stratigraphy, and hydrocarbon potential : WTGS and PBS-SEPM, field seminar, May 10-12, 1990 /
[Texas] : [publisher not identified], 1990

Conference Proceeding Leabhar
209
The potential of breccia pipes in the Mohawk Canyon Area, Hualapai Indian Reservation, Arizona /
le Wenrich, Karen J., Billingsley, George H., Van Gosen, B. S. (Bradley S.), 1960-
[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1992

Government Document Leabhar
210
Geochemistry of bedrock units in Missouri and parts of adjacent states : an examination of geochemical variability in rocks of Paleozoic and Precambrian ages /
le Connor, Jon J., Ebens, Richard J.
Washington : U.S. Govt. Print. Off. : For sale by the Supt. of Docs., G.P.O., 1980

Government Document Leabhar
211
Three new lower Paleozoic formations of the Boothia Peninsula region, Canadian Arctic Archipelago /
le Christie, Robert Loring, 1926-1999
[Ottawa] : Dept. of Energy, Mines and Resources, 1973

Government Document Leabhar
212
Bibliography and index of Paleozoic crinoids and coronate echinoderms, 1981-1985 /
le Webster, G. D. (Gary D.), 1934-2021
Boulder, Colo. : Geological Society of America, 1988

Leabhar
213
A section of the Paleozoic formations of the Grand Canyon at the Bass Trail /
le Noble, L. F. (Levi Fatzinger), 1882-1965
Washington : U.S. G.P.O., 1922

Government Document Leabhar
214
The Caledonide orogen : Scandinavia and related areas /
Chichester ; New York : Wiley, 1985

Conference Proceeding Leabhar
215
Early Paleozoic alkalic and calc-alkalic plutonism and associated contact metamorphism, central Virginia Piedmont /
Washington : Denver, CO : U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1994

Government Document Leabhar
216
Upper Paleozoic carbonate bank in east-central Idaho--Snaky Canyon, Bluebird Mountain, and Arco Hills formations and their paleotectonic significance /
Washington : : U.S. Govt. Print. Off. : for sale by the Supt. of Docs., 1979

Government Document Leabhar
217
Potassium-argon age determinations of Ferrar Group rocks, central Transantarctic Mountains /
le Elliot, David H.
Washington, D.C. : American Geophysical Union, 1985

Leabhar
218
The paleontology of rostroconch mollusks and the early history of the phylum Mollusca.

Leabhar
219
Precambrian to earliest Mississippian stratigraphy, geologic history, and paleogeography of northwestern Colorado and west-central Colorado : a multidisciplinary approach to research studies of sedimentary rocks and their constituents and the evolution of sedimentary basins, both ancient and modern/
le Soule, James M.
Washington, D.C. : Denver, CO : U.S. G.P.O. ; U.S. Geological Survey, Branch of Central Technical Reports, 1992

Government Document Leabhar
220
Paleozoic and Precambrian rocks of Alaska and their role in its structural evolution /
le Churkin, Michael, 1932-
Washington : U.S. Govt. Print. Off., 1973

Government Document Leabhar
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