Medical: Injuries The Grand Canyon and the Colorado River are beautiful, rugged, and sometimes dangerous. Thomas Myers is a physician at the park clinic in Grand Canyon Village. Dr. Myers has recorded (for a 5-year period) the number of visitor Injuries at different landing points for commercial boat trips down the Colorado River in both the Upper and Lower Grand Canyon (Source:Fateful Journey by Myers, Becker, Stevens). Upper Canyon: Number of Injuries per Landing Point Between North Canyon and Phantom Ranch 2 3 1 1 3 6 Lower Canyon: Number of Injuries per Landing Point Between Bright Angel and Lava Falls 8 1 0 6 7 2 14 3 0 1 13 2 1