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III.—Geological Map of the United States, compiled for the 9th Census, 1872. By C. H. Hitchcock and W. P. Blake.
Published online by Cambridge University Press: 01 May 2009
Abstract
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- Copyright © Cambridge University Press 1873
References
1 Boston, 1853. Zurich, 1858.
2 Published in Keith Johnston's Physical Atlas, 1855.
3 Travels in North America, with Geological Observations on the United States, Canada, etc., 1845. 2 vols. 8vo.—Second Visit to the United States of North America. 2 vols. post 8vo. 1st edition 1849, 2nd edition 1850.
4 Our sources of information being limited, we trust our American friends will excuse any important omissions, if such there be. We have confined our list to State Geological Reports.