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To Ferdinand Vandeveer Hayden 2 May [1870]
Summary
Thanks for copies of FVH’s "Preliminary field report [of the U. S. Geological Survey] of Colorado and New Mexico" [Am. J. Sci. 49 (1870): 258–63] and Geological report [of the exploration] of the Yellowstone [and Missouri] River[s under the direction of Captain W. F. Reynolds (1869)].
Author: | Charles Robert Darwin |
Addressee: | Ferdinand Vandeveer Hayden |
Date: | 2 May [1870] |
Classmark: | Smithsonian Libraries and Archives (Record Unit 7177, Image No. SIA2016-009764) |
Letter no: | DCP-LETT-7178 |