Tina Fisher Cunningham
Above, shelves of a small portion of the Rio Tinto mine in Boron are etched in the afternoon light on March 12, 2015. The view is from the Rio Tinto Visitor Center, which is open 9 a.m. to 5 p.m. seven days a week. There's a charge for parking. See www.visitor.center@borax.com. The mine is two miles long and 1.75 miles wide and extends to a depth of 755 feet. The mine employs 770 people.