Smithsonian miscellaneous collections . Ac Tip. ve bed of basalt rests on the Archean. Erosion cut across the entire Algonkian (t» = Unkar) series andDof Cambrian is between Archean (; = \ishnu) series on the left side of plate on line (Arc), and between nade by Walcott during winter of 1881-1882 came down over Tonto terrace and Algonkian cliffs to the MISCELLANEOUS COLLECTIONS ^iv#-^ >. i^vSi&^^iiSi.^^

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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience