1Alden Partridge to Thomas Jefferson, 6 September 1815 (Jefferson Papers)
Although I have not the honor of any personal acquaintance with you, yet a perfect conviction...
2Enclosure: Alden Partridge’s Table of Altitudes of Northern Mountains, [before 6 September 1815] (Jefferson Papers)
A Table. Containing the Altitudes of Mountains calculated from Barometrical Observation, by A...