GLACIER NATIONAL PARK – Crews finished stabilizing what is left of Glacier National Park’s historic Sperry Chalet for the winter. The Chalet burned down this summer in the Sprague Fire.

A crew of 10 people helicoptered into the chalet site about two weeks ago.

They constructed braces for the walls, gables, windows and chimneys to prevent damage from heavy snow expected this winter.

It took more than a dozen helicopter trips to haul in the more than 140 pieces of lumber needed to secure the building.

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Some of the beams securing the building weigh as much as 180 pounds each.

Crews had to work through a variety of weather conditions including freezing rain and snow.

The Sperry Chalet was destroyed by the Sprague Fire on Aug. 31.