Volume Nine of the project documenting Thomas Jefferson's last years presents 523 documents from 1 September 1815 to 30 April 1816. In this period, Jefferson makes three trips to Poplar Forest. During two visits to the Peaks of Otter, he measures their altitude and his calculations are reprinted in several newspapers. Jefferson welcomes the returning war hero Andrew Jackson in a visit to Poplar Forest and offers a toast at a public dinner in Lynchburg...