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261.
262.
Redescription of Upper Devonian conodont genera and species proposed by Ulrich and Bassler in 1926, by John W. Huddle. by Series: Geological Survey professional paper ; 578.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1968
Availability: No items available.

263.
Mineral resources of the Appalachian region, by the U.S. Geological Survey and the U.S. Bureau of Mines. by Series: Geological Survey professional paper ; 580.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1968
Availability: No items available.

264.
Water for Oklahoma, by T. B. Dover, A. R. Leonard, and L. L. Laine. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington, For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968]
Availability: No items available.

265.
266.
Paleogene biostratigraphy of nonmarine rocks in King County, Washington, by Jack A. Wolfe. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1968
Availability: No items available.

267.
A descriptive catalog of selected aerial photographs of geologic features in the United States, by Charles S. Denny [and others] by Series: Geological Survey professional paper ; 590.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1968
Availability: No items available.

268.
269.
Mica deposits of the Blue Ridge in North Carolina, by Frank G. Lesure. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1968
Availability: No items available.

270.
Geology of the Great Smoky Mountains National Park. Tennessee and North Carolina, by Philip B. King, Robert B. Neuman, and Jarvis B. Hadley. by Series: Geological Survey professional paper ; 587.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, [U.S. Dept. of the Interior, Geological Survey; for sale by the Supt. of Docs.] U.S. Govt. Print. Off., 1968
Availability: No items available.

271.
272.
Pegmatites and other Precambrian rocks in the southern Black Hills. by Series: Geological Survey professional paper ; 297.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington, U.S. Govt. Print. Off., 1968]
Availability: No items available.

273.
274.
275.
Lycopsid stems and roots and sphenopsid fructifications and stems from the upper Freeport coal of southeastern Ohio, by Maxine L. Abbott. by Series: Palaeontographica Americana ; v. 6, no. 38
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ithaca, N.Y., Paleontological Research Institution, 1968
Availability: No items available.

276.
Ostracoda of the Yague Group (Neogene) of the northern Dominican Republic / by W.A. van den Bold. by Series: Bulletins of American paleontology ; v. 54, no. 239.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ithaca, N.Y., U.S.A. : Paleontological Research Institution, [1968]
Availability: No items available.

277.
A pelecypod fauna from the Gaptank Formation (Pennsylvanian) west Texas, by Samuel O. Bird. by Series: Bulletins of American paleontology ; v. 54, no. 240
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ithaca, N.Y., Paleontological Research Institution, 1968
Availability: No items available.

278.
Notes on Siphocypraea, by Axel A. Olsson and Richard E. Petit. by Series: Bulletins of American paleontology ; v. 54, no. 242
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ithaca, N.Y., Paleontological Research Institution, 1968
Availability: No items available.

279.
Cenozoic evolution of the alticostate venericards in gulf and east coastal North America. by Series: Palaeontographica Americana ; v. 6, no. 39
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ithaca, N.Y., Paleontological Research Institution, 1968
Availability: No items available.

280.
More on variation in the genus Lepidocyclina (larger Foraminifera) by W. Storrs Cole. by Series: Bulletins of American paleontology ; v. 54, no. 243
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ithaca, N.Y., Paleontological Research Institution, 1968
Availability: No items available.

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