Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic: descriptions and illustrations of 59 species of Graptoloidea and correlation of the assemblages with other graptolitic successions in North America, the Soviet Arctic, and Great Britain
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Bibliographic Details
Main Authors: Churkin, Michael (Author), Carter, Claire (Author)
Format: Book
Language:Undetermined
Published: Washington, D.C. US Gov. Print. Off. 1970
Series:Geological Survey professional paper 653
Physical Description:III, 51 S., [5] Bl. Ill., graph. Darst., Kt.

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Interlibrary loan Place Request Caution: Not in THWS collection!