View of White Falls and the McCullough Gulch drainage on the north side of Quandary Peak, south of Breckenridge.

A view of the Tenmile Range at dusk, west of Breckenridge. In the dark foreground is the remains of a mine structure.

Smoke rises from a train locomotive in the cut at Rocky Point on its way to Boreas Pass, east of Breckenridge, Colorado.

A railroad train leaving Breckenridge, Colorado, approaches the cut at Rocky Point on the west side of Boreas Pass. Utility poles line the tracks.

A section of the Swan River, northeast of Breckenridge, Colorado, with a view of the Tenmile Range.

A section of the Swan River, northeast of Breckenridge, Colorado, with a view of the Tenmile Range.

A view of the Peak 8 ski runs at Breckenridge ski area in Colorado.

A view of the ski runs on Peak 8 of the Breckenridge ski area in Colorado.

View of the Peak 8 ski runs at Breckenridge ski area in Colorado. In the foreground a pair of snowshoes sink into deep, powdery snow. Probably taken from somewhere on Boreas Pass to the east.

View of the Peak 8 ski runs at Breckenridge ski area in Colorado. In the foreground a pair of snowshoes sink into deep, powdery snow. Probably on Boreas Pass, southeast of Breckenridge.

View of the snow-covered peaks of the Tenmile Range, looking west from Bald Mountain along Boreas Pass in Colorado.

View looking south on snowy Main Street in Breckenridge. In the right foreground is the National Saloon building, built in 1862.

Snowy landscape in French Gulch, southeast of Breckenridge. In view are snow-covered piles of dredged rock leftover from the two gold dredging boats that worked the gulch from 1898 to 1942.

Snowy landscape in French Gulch, southeast of Breckenridge. In view are snow-covered piles of dredged rock leftover from the two gold dredging boats that worked the gulch from 1898 to 1942.

Snow-covered dredge tailings in French Gulch east of Breckenridge, with view of the ski runs on Peak 8 of the Breckenridge ski area in Colorado.

People ski down a snow-covered slope on Peak 8 of the Breckenridge ski area in Colorado.

Skiers ride the chairlift on Peak 8 of the Breckenridge ski area in Colorado.

Skiers gather at Peak 8 base area and the Bergenhof Bar and Restaurant. Chairlift 1 in the background. At Breckenridge ski resort in Colorado.

Skiers on a ski trail or run, possibly Crescendo or Swinger, at Peak 8 of the Breckenridge ski area in Colorado.

Sallie Barber Mine site located on Barney Ford Hill in French Gulch, east of Breckenridge, Colorado. Rusted pieces of large sheet metal pipe are scattered about the site.