Cased image (ambrotype) of a mining camp, probably Lincoln City, in French Gulch, in what was then the Colorado Territory. View of the Tenmile Range in the background. Quoted from handwritten text on the back of the casing: “French Gulch, Aug. 23, 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.

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.

A man empties an ore car on the side of a mine dump at the Wire Patch Mine on Farncomb Hill in French Gulch, southeast of Breckenridge, Colorado.

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

Hydraulic mining operations at Sisler Placer (later known as the Mecca Placer) on the French Gulch slope of Barney Ford Hill, east of Breckenridge, Colorado. Circa 1898.

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.

Men stand on the engine and processing house or behind the bucket line of the Reliance dredge after renovations. Circa 1909. At French Gulch east of Breckenridge, Colorado. The Reliance, built under Ben Stanley Revett and the Reliance Gold Dredging Company, started operations in 1905. By 1906 it was working between the Wellington and Country Boy Mines in French Gulch. It changed over from steam to electric power in 1908.

Men stand on the engine and processing house, or sit on the platform below, of the Reliance dredge after renovations. Circa 1909 at French Gulch east of Breckenridge, Colorado. The Reliance, built under Ben Stanley Revett and the Reliance Gold Dredging Company, started operations in 1905. By 1906 it was working between the Wellington and Country Boy Mines in French Gulch. It changed over from steam to electric power in 1908.

Gold Run Flume frozen with icicles caused by an ice dam, during the "Big Snow" winter of 1898-1899. The wooden flume carried water over French Gulch for placer mining operations, connecting to the Gold Run Ditch at both ends. It was located in French Gulch between the towns of Breckenridge and Lincoln City. A woman stands below the flume and another woman sits on a log next to a young boy.

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.

Quoted from handwritten text on the item: "Remains of Wellington Mine". Shows a mine car used to transport ore at the Wellington Mine site near 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.

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 Ore Bin". Shows the Wellington ore bin on the Extenuate (X10U8) mine dump. In French Gulch, near Breckenridge, Colorado. Undated, probably circa 1966-1972.

Postcard, "Colorado Photography" by John Topolnicki. Scalloped edges. Caption on the reverse: "A Blasted, Beloved Past..." and "The mountains of Summit County, Colorado, witnessed man's search for precious metals in the last century and early part of this century. Remains of these efforts dot the mountains of the Ten Mile Range and the Continental Divide."