Abandoned mine structures at the Jessie Mine and Mill site in Gold Run Gulch north of Breckenridge, Colorado. The Jessie operated from 1885 into the 1930s and was one of the largest gold, silver and lead mine and mill complexes in the Breckenridge area.

Title quoted from handwritten text on the item: "Wellington Mine Remains at Breckenridge". Shows the Wellington ore bin on the Extenuate (also known as X10U8) mine dump. In French Gulch, near Breckenridge, Colorado. Circa 1967.

Title quoted from handwritten text on the item: "Wellington Mine X10U8 Ore Chute Remains Breckenridge". Shows the Wellington-Oro ore bin on the Extenuate (also known as X10U8) mine dump. In French Gulch, near Breckenridge, Colorado. Circa 1967.

Title quoted from handwritten text on the item: "Wellington-Oro X10U8 Mine Dump and Buildings". In French Gulch, east of Breckenridge, Colorado. Circa 1970.

Postcard, "Colorado Photography" by John Topolnicki. Caption on the reverse: "Tiger-On-The-Swan; 8 Miles North of Breckenridge" and "High Country - Summit County - Colorado; Virtually a ghost town, and a fine example of how old mining towns of the area looked. Tiger was a later arrival, its curious name stemming from the fact it was built to house employees of the Royal Tiger Mine and Mill. Buildings erected in the 1920's and 1930's."

Postcard, "Colorado Photography" by John Topolnicki. Scalloped edges. Caption on the reverse includes the four (4) b's Breckenridge logo: "Breckenridge; Colorful Colorado; Off Interstate Hwy. 70 - On Colorado Hwy. 9; The Four Seasons Resort Area" and "From the Boreas Pass road on the Mt. Baldy road, remains in this mining area still hold the visitors interest."

West side of Bald Mountain above Boreas Pass on the Breckenridge, Colorado, side. In the foreground is mine shaft housing (note sheave/pulley wheel at top) with mine dump to the left of the building. Wood water storage tank to the right. Caption reads: "WM + AC & W 6/2/22". Probably east/uphill of the railroad tracks. The two strips of snow on the right side of the mountain are called Orion and The Duke (from left to right).

Snow-covered mine shaft house with rails leading out to the mine dump/tailings embankment. Probably in the Montezuma or Peru Creek area in Summit County, Colorado.

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.

The Puzzle Mine workings in Illinois Gulch (Illinois Park), southeast of Breckenridge, Colorado. The small railroad trestle or bridge uphill from the mine was located between Hookeye Curve and the Gold Pan trestle.

View of the Great Flume in American Gulch, located on Farncomb Hill near Breckenridge, Colorado. Circa 1896. The mill, originally built for the Victoria Gold Mining Company in 1887, is in view on the steep hillside.

Men outside the buildings at the Groundhog Mine, west of Breckenridge, Colorado. Some of the men are identified by a handwritten number on the photograph: 1. Scott Cooke; 2. Bert Walker; 3. Vene; 4. Frank Brooks. Circa 1898-1913.

Carl Fulton stands outside the log-reinforced portal to the Hot Air Mine. He holds the end of a rope looped around the neck of a small deer with antlers. In the background is a large log structure, probably a mill, on the steep hillside. Near Breckenridge, Colorado. Circa 1880s-1900s.

The Wellington Mine upper and lower mills in the 1920s. The mills temporarily closed from late October 1920 through 1924 due to a reduced demand for lead and zinc. Looking northeast, in French Gulch near Breckenridge, Colorado.

Mine waste dumps or mine tailings at the Wellington Mine in French Gulch east of Breckenridge, Colorado. In the background is a view of the snow-covered peaks of the Tenmile Range.

The Wellington Mine and Mill in French Gulch, east of Breckenridge, Colorado. Handwritten caption on the front: "Wellington Mine & Mill".

Jessie Mine and Mill in Gold Run, northeast of Breckenridge, Colorado. Title quoted from handwritten caption on card mount: "Exterior view of a gold mine."

Title quoted from handwritten text on the item: "Wellington Mine - Remains of Breckenridge Mines". Shows Extenuate (X10U8) Mine buildings and mine dump. In the foreground are the collapsed ruins of a wooden structure. Near Breckenridge, Colorado.

Abandoned buildings at the Extenuate Mine (also known as X10U8) and mine dump. The Extenuate was part of the extensive Wellington Mine and Mill properties in French Gulch east of Breckenridge, Colorado.

Title quoted from handwritten text on the item: "X10U8 [Extenuate] Buildings On Mine Dump, Remains of Wellington-Oro Mine". Mine site near Breckenridge, Colorado.