Two earlier trips, one to Delaware, where Nuttall contracted malaria, and one to Niagara Falls and Ontario paved the way for the travels recounted in this diary. Nuttall's 1810 expedition, the first months of which are described in the diary, was unquestionably undertaken for Barton at his expense. The route, objectives, and full terms of agreement were set down in detail by Barton. Nuttall, co...