Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic /
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Author / Creator: | Churkin, Michael, 1932- |
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Imprint: | Washington : U.S. Govt. Print. Off., 1970. |
Description: | iii, 51, [10] p. : ill., maps ; 29 cm. |
Language: | English |
Series: | Geological Survey professional paper 653 |
Subject: | |
Format: | E-Resource Print Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/4806811 |
Physical Description: | iii, 51, [10] p. : ill., maps ; 29 cm. |
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Bibliography: | Includes bibliographical references (p. 46-48) |