P.
Palmyra (Tenn.), as river port, [74].
Pedee River, [17].
"Pennamite" war, [194].
Pennsylvania, Washington and transportation in, [9], [10]-[11]; canals, [33]-[35], [136]; roads, [35], [44], [45], [48]-[49], [50], [53]-[54], [119]-[120]; "Bonnyclabber Country," [86], [87]; and Great Lakes, [138]; railways, [151].
Pennsylvania Canal, [132]; Washington forecasts, [9]; route, [139]; engineering achievement, [139]-[140].
Pennsylvania Railroad, [142], [153]; Washington and, [9]-[10]; follows Indian trail, [29]; incorporated (1846), [151]; reaches Ohio River, [171].
Perkins, fur trader, [186].
Philadelphia, roads to, [48]-[49]; meeting to protest against monopoly of Lancaster Turnpike, [55]; Baily at, [84]; rival of New York City, [137].
Philadelphia and Lancaster Turnpike Road Company, [53]-[54].
Philadelphia Road, [49].
Pickering plan of occupying West, [4].
Pike, Captain Z. M., [93].
Pioneer, stagecoach line, [122].
Pioneer (steamboat), [156].
Pitt, Fort, [28].
Pittsburgh, growth, [26], [67]; trade with, [65]-[66], [66]-[67], [75]; shipbuilding, [76]; port of entry, [77]; Baily reaches, [88].
Platt, Judge, and Erie Canal, [126], [127].
Pontiac's Rebellion, [26]-[27], [34].
"Pony Express," [192].
Potomac Canal Company, [143].
Potomac Company, [31]-[33], [138].
Potomac River, Washington's vision regarding, [8], [10]; commerce on, [17]-[18].
Prairie (steamboat), [182].
Presq'Isle (Erie) recommended as place of embarkation, [35].
Prices in 1800, [92].
Putnam, General Rufus, advocates Pickering plan, [3]-[4].