FLAGSTAFF, Ariz. (AP) — Crews are drilling at the bottom of the Grand Canyon to test the idea of shifting the area where water is drawn to serve millions of people at the national park's popular South Rim….
FLAGSTAFF, Ariz. (AP) — Crews are drilling at the bottom of the Grand Canyon to test the idea of shifting the area where water is drawn to serve millions of people at the national park's popular South Rim….