- Hitchcock, Edward, 1793-1864
- Digital Commonwealth
- Amherst College Archives & Special Collections
- Conway (Mass.)
A letter to Benjamin Silliman in which Edward Hitchcock writes that he has completed a draft of a geological map of the area from New Haven, Connecticut, to Vermont. Hitchcock seeks Silliman's advice on a few matters relating to the map.
- Hitchcock, Edward, 1793-1864--Correspondence
Silliman, Benjamin, 1779-1864--Correspondence
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