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1
The Helderberg Group and the position of the Silurian-Devonian boundary in North America /
per Berdan, Jean Milton
Washington, [D.C.] : U.S. G.P.O., 1964

Llibre
2
Ostracodes from lower Devonian Formations in Alaska and Yukon Territory /
per Berdan, Jean Milton
Washington : U.S. Govt. Print. Off., 1973

Document de govern Llibre
3
Ostracodes from lower Devonian Formations in Alaska and Yukon Territory /
per Berdan, Jean Milton
Washington : U.S. Govt. Print. Off, 1973

This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Llibre
4
Silurian-Devonian pelecypods and Paleozoic stratigraphy of subsurface rocks in Florida and Georgia and related Silurian pelecypods from Bolivia and Turkey,
per Pojeta, John
Washington, U.S. Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976

This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Document de govern Llibre
5
Ostracodes from lower Devonian Formations in Alaska and Yukon Territory /
per Berdan, Jean Milton
Washington : U.S. Govt. Print. Off., 1973

Document de govern Llibre
8
The Helderberg Group and the position of the Silurian-Devonian boundary in North America /
per Berdan, Jean Milton
Washington : U. S. Govt. Print. Off., 1964

Document de govern Llibre
9
The Helderberg Group and the position of the Silurian-Devonian boundary in North America /
per Berdan, Jean Milton
Washington [D.C.] : United States Government Printing Office, 1964

Document de govern Llibre
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