Page 227, "markmanship" changed to "[marksmanship]" (no deft marksmanship)
Page 281, "Nemeha" changed to "[Nemaha]" (grazing in the Nemaha)
Page 308, "Ottoes" changed to "[Otoes]" (the "Ottoes, Pawnees)
Page 315, the spelling of "[delf]" was retained (per Webster 1828 Dictionary)