Author: LUDVIGSEN, R. Title: A trilobite zonation of Middle Ordovician rocks, southwestern District of Mackenzie.
Description: 1979, Geological Survey of Canada Bulletin 312; 98 pp. 17 fig. 21 plts. Orig. wrps. libr. stamp on front cover, 4to.
Keywords: Trilobites
Price: EUR 23.00 = appr. US$ 25.00 Seller: Lingua Terrae Books
- Book number: 1630167
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