All Items 1 Collection 1 Archives & Special Collections 1 Contributor 4 Hall, James, 1811-1898 1 Hitchcock, Edward, 1793-1864 1 Lyell, Charles, Sir, 1797-1875 1 Murchison, Roderick Impey, Sir, 1792-1871 1 Location 1 United States 1 Topic 4 Career in geology 1 Correspondence 1 Drift 1 Geologists 1 Part Of 1 Edward and Orra White Hitchcock Papers 1 Genre 1 Correspondence 1 Subject 6 Drift 1 Geologists – United States – 19th century – Correspondence 1 Hall, James, 1811-1898 – Career in geology 1 Hitchcock, Edward, 1793-1864 – Correspondence 1 Lyell, Charles, Sir, 1797-1875 – Career in geology 1 Murchison, Roderick Impey, Sir, 1792-1871 – Correspondence 1 show more 1 show fewer Edward Hitchcock letter to Sir Roderick Impey Murchison, 1842 September 5 Hitchcock, Edward, 1793-1864 A letter to Sir Roderick Impey Murchison in which Edward Hitchcock discusses the theory of glacial drift. Hitchcock apologizes for misrepresenting Murchison's thoughts on the subject and also clarifies his own views. Additionally, Hitchcock mentions the contributions of Sir Charles Lyell and James Hall to glacial theory. According to the finding aid, this letter appears to be a manuscript copy and is not written in Edward Hitchcock's hand. Edward Hitchcock letter to Sir Roderick Impey Murchison, 1842 September 5