1George Wyche to Thomas Jefferson, 28 October 1818 (Jefferson Papers)
altitude; barometers used to calculate [index entry]
2Alden Partridge to Thomas Jefferson, 20 February 1818 (Jefferson Papers)
altitude; barometers used to calculate [index entry]
3Alden Partridge to Thomas Jefferson, 9 January 1818 (Jefferson Papers)
altitude; barometers used to calculate [index entry]
4Alden Partridge to Thomas Jefferson, 4 February 1817 (Jefferson Papers)
altitude; barometers used to calculate [index entry]
5John Wood to Thomas Jefferson, 6 April 1816 (Jefferson Papers)
altitude; barometers used to calculate [index entry]
6Alden Partridge to Thomas Jefferson, 23 November 1815 (Jefferson Papers)
altitude; barometers used to calculate [index entry]
7Alden Partridge to Thomas Jefferson, 6 September 1815 (Jefferson Papers)
altitude; barometers used to calculate [index entry]