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SMITHSONIAN MISCELLANEOUS COLLECTIONS
VOLUME 57, NUMBER 7
CAMBRIAN
GEOLOGY AND PALEONTOLOGY
II
No. 7.—CAMBRO-ORDOVICIAN BOUNDARY IN BRITISH
COLUMBIA WITH DESCRIPTION OF FOSSILS
With Plate 35
BY
CHARLES D. WALCOTT
(Publication 2075)
CITY OF WASHINGTON
PUBLISHED BY THE SMITHSONIAN INSTITUTION
MARCH 8, 1912
