A man walks on the Denver, South Park and Pacific (DSP&P) railroad tracks at the base of Mount Royal along Ten Mile Creek. On the left is a simple-gable wooden structure. West of Frisco, Colorado. Title quoted from handwritten caption on card mount: "View on the South Park railway near Breckenridge."

View looking northwest towards the Tenmile Range with Illinois Gulch (Illinois Park) in the foreground. The Gold Pan trestle can be seen with the railway line curving around Barney Ford Hill. The Dunkin Mine is on the right. Southeast of Breckenridge, Colorado.

Denver South Park and Pacific (DSP&P) narrow gauge railroad tracks in the Ten Mile Canyon, outside of Frisco, Colorado. Title quoted from handwritten caption on card mount: "View of South Park R.R. in ten mile Canon [sic]."

View of the train trestle or railway bridge over the Ten Mile Creek in the Ten Mile Canyon, near Frisco, Colorado. Railroad tracks run along the creek and up the canyon. Fallen trees, rocks and other debris in the foreground, probably the aftermath of a snow slide or avalanche. Title quoted from handwritten caption on card mount: "View in tenmile Canon [sic], the Land of snow Slides."

View from the interior of the snow shed covering narrow gauge railroad tracks at Boreas Pass, looking south towards Park County, Colorado. Title quoted from handwritten caption on card mount: "View from the interior of Snow sheds, looking towards South Park."

Derailed Colorado and Southern Railway (C&S) train after a collision on the tracks along Fremont Pass, heading down the west slope from Climax to Kokomo, Colorado. Circa 1907. Engine 54 is on its side, with demolished freight cars in the background.

A railroad train rounds the curves on snowy Barney Ford Hill overlooking the town of Breckenridge, Colorado.

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.

Denver, South Park and Pacific (DSP&P) railway next to the Snow Drift Mine at Farnham spur, southeast of Breckenridge, Colorado. Title quoted from handwritten caption on card mount: "The Warriors Mark and Snow drift mine at Farnham, Colo".

View of Mount Royal, Mount Wichita and Chief Mountain, with the Denver, South Park and Pacific (DSP&P) railway tracks and wooden buildings at the west end of Frisco, Colorado. Title quoted from handwritten caption on card mount: "The three Mountain peaks at Frisco."

Denver South Park and Pacific (DSP&P) railroad tracks leading out of Frisco, Colorado and going up into the Ten Mile Canyon. A man stands in the snow next to the tracks. Across the tracks is a log cabin and a horse drawn wagon or buggy. Title quoted from handwritten caption on card mount: "The Mountains, as they appear in ten mile Canon [sic]."

Snow fences next to railroad tracks, west of Boreas Pass, near Breckenridge, Colorado with a view of the Tenmile Range in the distance. Title quoted from handwritten caption on card mount: "The Mountains as they look coming from Boreas pass, toward Breckenridge."

Denver South Park and Pacific Railway (DSP&P) narrow gauge railroad tracks along the Boreas High Line route entering Breckenridge, Colorado with a view of the Tenmile Range in the background. Title quoted from handwritten caption on card mount: "The Mountains as they appear from railway grate, just before entering Breckenridge."

Stereoview card showing Denver, South Park and Pacific (DSP&P) narrow gauge railroad tracks with Barney Ford Hill in the background. Title quoted from printed caption: "1739. Railroading, From Como to Breckenridge. D.S.P. RR." Along the short edges of the card: "Published at Georgetown, Colorado" and "Alex Martin, Rocky Mountain Views". On the reverse is handwritten: "East side Boreas Pass between Como & Breckenridge - Dorothy Shaw." Late 1880s.

Wooden snowshed covering a section of the narrow gauge railroad tracks approaching Boreas Pass from the Breckenridge, Colorado side.

Snow shed covering the railroad tracks at Boreas Pass, with section house and buildings on the left and stone engine house on the right. Narrow gauge Highline Route from Como to Breckenridge, Colorado. Title quoted from handwritten caption on card mount: "Snow shed at Boreas pass, eleven thousand ft above sea level."

At Rocky Point east of Breckenridge, Colorado four well-dressed men sit or stand on a railroad trailer. Also called a motorcar, speeder, popcar, or putt-putt, these self-powered trailers were used by maintenance crews to check for problems along the tracks. Replacement ties are stacked in the background. Title quoted from handwritten caption on card mount: "Rocky Point near Breckenridge."

Denver, South Park and Pacific (DSP&P) railway at Rocky Point, on the west slope of Boreas Pass, above Breckenridge, Colorado. Title quoted from handwritten caption on card mount: "Rocky Point near Breckenridge."

Narrow gauge railroad and snow shed over the tracks at Hook Eye Curve in Illinois Park near Breckenridge, Colorado.