Scope and Contents
Letter to Sir Archibald Geikie from Capt Clarence Edward Dutton enclosing copies of topographical drawings of the Grand Canyon by William Henry Holmes. He pontificates over what text he will eventually send to accompany the drawings and asserts that the Grand Canyon was formed during the Pliocene and the Quaternary geological periods rather than by erosion during the Tertiary period. He promises to forward copies of Holmes' drawings of the Kaibab region shortly. He reports that John W Powell...
16 March 1881