A.
Adams, J. Q., and internal improvements, [145].
Albany, Old Bay Path to, [16]; road to Baltimore, [58]; Clermont's voyage to, [113].
Alexandria (Va.), rival of New York City, [137].
Alleghanies, pathways across, [17]-[19], [116] et seq.
Allegheny Portage Railway, [151].
American, New York, quoted, [182].
Appalachian Mountains, pathways across, [15]-[21].
Arkansas, influence of river trade on, [180].
"Army" plan of occupying West, [4].
Ashley, fur trader, [186].
Audubon, J. J., description of barge journey, [72]-[73].