Page:Walcott Cambrian Geology and Paleontology I.djvu/15

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SMITHSONIAN MISCELLANEOUS COLLECTIONS
PART OF VOLUME LII


CAMBRIAN
GEOLOGY AND PALEONTOLOGY


No. 1.—NOMENCLATURE OF SOME CAMBRIAN CORDILLERAN FORMATIONS


BY
CHARLES D. WALCOTT


No. 1804


CITY OF WASHINGTON
PUBLISHED BY THE SMITHSONIAN INSTITUTION
April 18, 1908