From:
Charles Robert Darwin
To:
Ferdinand Vandeveer Hayden
Date:
2 May [1870]
Source of text:
Smithsonian Libraries and Archives (Record Unit 7177, Image No. SIA2016-009764)
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)].
Contributor:
Darwin Correspondence Project