ART. XXXII.--Contributions to the Geology of the Grand Canyon, Arizona.--The Geology of the Shinumo Area: Part I. PREFACE. INTRODCUTION. I. Geologic column of the Shinumo Area. II. Topography, Climate, and Vegetation. GENERAL GEOLOGY. ARCHEAN--Vishnu Schist. BIBLIOGRAPHY. Bibliography

Noble, L F

American journal of science (1880), 1910-05, Vol.29 (173), p.369 [Periódico revisado por pares]

New Haven: American Periodicals Series II

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