Early Silurian Graptolites from Southeastern Alaska and Their Correlation with Graptolite Sequences in North America and the Arctic

Washington, D. C. U. S. Department of the Interior, 1970. softcover. Very Good with no dust jacket. Item #125605

Geological Survey Professional Paper 653. Address label on title page, label and a couple streaks on front cover.

Price: $7.00

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