Early Silurian graptolites from southeastern Alaska and their correlation with graptolitic sequences in North America and the Arctic
By: by Michael Churkin, Jr., and Claire Carter.
Contributors: Carter, Claire, joint author.
Series: Geological Survey professional paper 653; Geological Survey professional paper ;; 653.
Publisher: U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington
Language: eng
Number of pages: 51
Subjects: Graptolites -- North America.; Paleontology -- Silurian.; Paleontology -- North America.
Notes: Bibliography: p. 46-48.