From:
Charles Lyell, 1st baronet
To:
Charles Robert Darwin
Date:
[28–31 Mar 1862]
Source of text:
American Philosophical Society (Mss.B.D25.274)
Summary:
Suggests that the height of the water which formed the shelves in Glen Roy was determined not by the height of the blocking glacier but by the height of a col. Notes problems in the idea.
Contributor:
Darwin Correspondence Project