Distribution of the Middle Ordovician Copenhagen formation and its trilobites in Nevada /

Distribution of the Middle Ordovician Copenhagen formation and its trilobites in Nevada /

Bibliographic Details
Main Authors: Ross, Reuben James, 1918-, Shaw, Frederick C., 1937- (Author)
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1972.
Series:Geological Survey professional paper ; 749.
Subjects:
Trilobites > Nevada.
Paleontology > Ordovician.
Paleontology > Nevada.

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