canyon

At Lees Ferry, the beginning of all Grand Canyon river journeys, the Kaibab Limestone makes its first look above river degree (the whitish beds beneath the purple Moenkopi Fm.). In simply sixty five miles it will tower between 5,000 and 6,000 toes above the river. Metropolitan Water District of Los Angeles and Southern Nevada Water Authority have voiced their critical issues about possible contamination of the Colorado River if uranium…