A man dressed in a suit coat and hat, and wearing pants tucked into tall, laced boots, stands on the dirt road outside the Wellington Mine and Mill operations in French Gulch, east of Breckenridge, Colorado. Behind him is a large stack of lumber and finished mine timbers. Smoke fills the view in the background. Circa June 1913.

A man wearing a bowler (derby) hat stands on the dirt road outside the Wellington Mine and Mill operations in French Gulch, east of Breckenridge, Colorado. Behind him is a massive mine waste dump. In the background on the hillside are the Oro Shaft buildings. Circa June 1913.

A man stands near the edge of a pond on a hill, with a view of the Brooks-Snider Mine and Mill in the distance. A buck and rail fence borders the property. On the left is a log cabin. Near Breckenridge, Colorado, circa 1890s-1900s.

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.

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.

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."

Narrow gauge railway through Illinois Park, looking west toward Breckenridge, Colorado. Germania mine and mill on the left. A train is traveling on Barney Ford Hill high above the gulch. Handwritten caption on card mount: "View showing Train of Cars going around Niggerhill".

Mine workers sit or stand by a log stockpile for a group portrait at the Ouray Mine site in Illinois Gulch, east of Breckenridge, Colorado. Behind them is a wood frame building or sawmill. Handwritten on the reverse: "Ouray Mine, Breckenridge".

The Brooks-Snider Mill on the north side of Shock Hill west of Breckenridge, Colorado. Circa 1890s. Henry (Harry) and his wife Nellie Rogers stand near a small pond. Three men sit or stand nearby. One man is smoking a pipe. Huge piles of logs are stacked outside the extensive mill operations, and a small log cabin sits at the base of the hill.

Looking southeast from Barney Ford Hill over Illinois Park where Iron Springs, Puzzle Mine, Ouray Mine and the Germania Mine and Mill were located. Railway went around Hook Eye Curve with sidings to some of the mines. Near Breckenridge, Colorado. Abbreviated title taken from handwritten caption on card mount: "View from Niggerhill showing Illinois park and railway, 500ft below."

Title quoted from handwritten text on the item: "Interior of New Yorker Mine Shaft - Remains of Breckenridge Mines". Abandoned mine site near Breckenridge, Colorado.

Inside the Jessie Stamp Mill mill in Gold Run, northeast of Breckenridge, Colorado. Title quoted from handwritten caption on card mount: "Interior view of Stamp Mill."

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.

Abandoned log cabin and mill at the Senator Mine site in Monte Cristo Gulch, south of Breckenridge, Colorado.

Abandoned log cabin and mill at the Senator Mine site in Monte Cristo Gulch, south of Breckenridge, Colorado.

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.

Men stand outside the Minnie Mine and Mill boardinghouse on Mineral Hill in French Gulch, east of Breckenridge, Colorado. The one-and-half story log building featured a shingled, side gable roof and exterior wooden stairs. A wooden boardwalk fronts the building. The Minnie Mine and Mill was owned by the Blue Hill Mining Company from 1890-1904.

Men (and one dog) stand side-by-side outside the Minnie Mine and Mill mill building on Mineral Hill in French Gulch, east of Breckenridge, Colorado. The wood frame, metal-roofed mill was constructed in 1892 and included several crushers, crushing rolls, screens and jigs. Smoke rises from one of the chimneys. Peeled, cut logs are stacked near the mill's entrance. The Minnie Mine and Mill was owned by the Blue Hill Mining Company from 1890-1904.

Mining operation near Breckenridge, Colorado. Two men stand next to ore cars stopped on elevated tracks leading from the mine's adit (opening). A wagon pulled by two horses is stopped on the dirt road that runs under the tracks. Mine tailings are piled high on either side of the road. In the background is a large wooden structure with a smokestack, probably an ore bin or mill, and log cribbing on the steep hillside. Circa 1898-1913.

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.