The visitor center and a wastewater treatment plant were among the 50 to 80 structures lost, the park superintendent said. The area was evacuated Thursday.

The White Sage Fire near the North Rim of the Grand Canyon has grown to 19,000 acres, prompting evacuations for nearby residents, according to the Bureau of Land Management. As of the morning of July 12, BLM reported the fire had spread to 19,153 acres, with no containment achieved by firefighters.