I traveled in a large launch, on the waters of Lake Powell , for half a day. There was a Navajo guide and pilot, but she was anything but laconic. Her name was Charlotte, and she kept up a rapid and informative patter about the sights all along the way. … indeed make the occasion of casual sport, with water skiers weaving slaloms out of the red mouths of canyons, fishermen trolling sleepily from the backs of houseboats , lifting a beer and waving as they pass by. …