The Colonel Birdseye US Geological Survey expedition camped at the mouth of Bridge Canyon in 1923. Birdseye himself, named the canyon for a natural bridge of conglomerate located one third of a mile up the drainage.
The upper Grand Canyon, as traveled by Western's 6 or 7 day expedition begins at Lees Ferry (mile 0) and finishes at Whitmore Wash (mile 188)
This comprehensive PDF guides include river maps, overview, full itineraries, camping and weather information, details on physical requirements, packing lists and more.
