The building was surrounded by vegetation on fire when a team of "helitack" firefighters arrived to protect the area on Tuesday. Grand Canyon National Park officials said the crews knew if the pump house fell, the consequences could cripple park operations for months.

We have the latest numbers on July 19 for the Dragon Bravo and White Sage fires burning in and around the Grand Canyon as containment grows.

My heart, my friends’ hearts—there’s a hole in each of these now.