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DCP-LETT-7178

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

Herschel10658

From:
Henry Hudson
To:
Sir John Herschel
Date:
[2 May 1870]
Source of text:
RS:HS 10.31
Summary:

Is grateful for his note. Would like to be certain of W. C. Wells's theory before he revises his opinion. His original paper was much larger. Gives some examples where he thinks Wells is in error.

Contributor:
John Herschel Project

Herschel2622

From:
Sir John Herschel
To:
William Selwyn
Date:
[2 May 1870]
Source of text:
RS:HS 24.310
Summary:

Wants to compare Mr. Titterton's photographs of the spot groups to [Warren] de La Rue's. Has tried to determine if some localities regularly have spots.

Contributor:
John Herschel Project
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