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  • All fields: reduction
(1466 results)



Display: 50

    • Stewart's reduction works at Georgetown, Colo.

    • Stewart's reduction works at Georgetown, Colo.

    • View of wooden mine processing buildings, identified as "Stewart's reduction works," beside Clear Creek in Georgetown (Clear Creek County), Colorado. Shows a horse-drawn wagon beside the reduction works, and brick chimneys on the buildings. Snow is...

    • Clear Creek (Clear Creek County, Colo.)--1860-1870.; Georgetown (Colo.)--1860-1870.; Industrial facilities--Colorado--Georgetown--1860-1870.; Mining--Colorado--Georgetown--1860-1870.; Ore industry--Colorado--Georgetown--1860-1870.

    • 1867
    • Wilson & Cass Reduction Works

    • Wilson & Cass Reduction Works

    • Miners pose near the bridge to the Wilson and Cass Reduction Works probably beside Clear Creek near Georgetown (Clear Creek County), Colorado. A sluice box connected to the building is near the creek. A sign over the bridge reads: "Wilson & Cass...

    • Wilson & Cass Reduction Works (Colo.)--1860-1880.; Georgetown (Colo.)--1860-1880.; Hydraulic mining--Colorado--Georgetown--1860-1880.; Mills--Colorado--Georgetown--1860-1880.; Miners--Colorado--Georgetown--1860-1880.;...

    • [between 1864 and 1877]
    • Nederland, Colo. 1899

    • Nederland, Colo. 1899

    • The town of Nederland stands in the background along the base of a hill in Boulder County, Colorado. The Breed and Cutter Reduction Works Mill stands in the far left of the town. The Hetzer House Hotel is in the center of the town. The tops of...

    • Ore-dressing plants--Colorado--Nederland--1890-1900.; Boulder County (Colo.)--1890-1900.; Nederland (Colo.)--1890-1900.; Hotels--Colorado--Nederland--1890-1900.; Streams--Colorado--Nederland--1890-1900.

    • [between 1935 and 1950?]
    • Harrison Reduction Works, Leadville, Colo.

    • Harrison Reduction Works, Leadville, Colo.

    • View of the Harrison Reduction Works, a smelter located in Leadville (Lake County), Colorado. The smelter is multi-story and has tin siding, brick chimneys, and smokestacks. A large holding tank is beside the building and liquid pours into it from...

    • Harrison Reduction Works--1880-1900.; Leadville (Colo.)--1880-1900.; MIning.; Smelters.

    • [between 1885 and 1893?]
    • The Brodie Gold Reduction Company's work's, Mound City, Cripple Creek

    • The Brodie Gold Reduction Company's work's, Mound City, Cripple Creek

    • View of the Brodie Gold Reduction Company's works at Mound City, Teller County, Colorado. A one and two story sloped metal building with four anchored smokestacks stands near a pile of mine tailings. A one story wood building stands above the mine...

    • Brodie Gold Reduction Company (Mound City, Colo.)--1890-1900.; Mound City (Colo.)--1890-1900.; Gold mining--Colorado--Mound City--1890-1900.; Ore industry--Colorado--Mound City--1890-1900.

    • [between 1890 and 1900]
    • Jewel Mines & Reduction Co., Pandora Mine

    • Jewel Mines & Reduction Co., Pandora Mine

    • Two men in suits stand next to the compressor inside the Jewel Mines and Reduction Company, San Miguel County, Colorado. The large machine is mounted in center of the log structures; cans of fuel, gaskets, a lantern and a wooden box with "Du Pont"...

    • Jewel Mines & Reduction Co. (Colo.)--1890-1910.; Pandora Mine (San Miguel County, Colo.)--1890-1910.; San Miguel County (Colo.)--1890-1910.; Air compressors--Colorado--San Miguel County--1890-1910.; Interiors--Colorado--San Miguel...

    • [between 1890 and 1910]
    • Jewel Mines and Reduction Co., Pandora Mine

    • Jewel Mines and Reduction Co., Pandora Mine

    • Four men, possibly the owners, stand outside the log powerhouse of the Jewel Mines and Reduction Company, Pandora Mine, San Miguel County, Colorado. Water shoots out at side of structure for the hydraulic mining process.

    • Jewel Mines & Reduction Co. (Colo.)--1890-1910.; Pandora Mine (San Miguel County, Colo.)--1890-1910.; San Miguel County (Colo.)--1890-1910.; Hydraulic mining--Colorado--San Miguel County--1890-1910.; Log buildings--Colorado--San Miguel...

    • [between 1890 and 1910]
    • Jewel Mines & Reduction Co., Pandora Mine

    • Jewel Mines & Reduction Co., Pandora Mine

    • View of Pitkin (Gunnison County), Colorado; shows frame houses, the Jewell Mines and Reduction Company mill, a water tank, rail fencing, businesses with false fronts, and ore cart tracks.

    • Jewel Mines & Reduction Co. (Colo.)--1900-1920.; Pitkin (Colo.)--1900-1920.; Business districts--Colorado--Pitkin--1900-1920.; Houses--Colorado--Pitkin--1900-1920.; Mining--Colorado--Pitkin--1900-1920.

    • [between 1900 and 1920?]
    • Philadelphia-Colorado Reduction works Colorado City

    • Philadelphia-Colorado Reduction works Colorado City

    • View of the Philadelphia-Colorado Reduction Works near Colorado City (El Paso County), Colorado. The group of buildings have smokestacks and railroad tracks are nearby.

    • Colorado City (Colo.)--1890-1900.; Smelters--Colorado--Colorado City--1890-1900.

    • [June, 1897]
    • American Reduction Company's Works Florence, Fremont County

    • American Reduction Company's Works Florence, Fremont County

    • View of the American Reduction Company's works near Florence, Fremont County, Colorado (probably abandoned); a one story sloping metal building with a lean-to roof, built into the side of a hill, has anchored smokestacks, sliding windows, a shaft...

    • Denver and Rio Grande Railroad Company--1890-1910.; Florence (Colo.)--1890-1910.; Mining--Colorado--Florence--1890-1910.; Smelters--Colorado--Florence--1890-1910.

    • [between 1892 and 1901?]
    • Reduction works- Cripple Creek

    • Reduction works- Cripple Creek

    • View of a reduction company's works near Cripple Creek, Teller County Colorado. A metal building with a stepped sloping roof stands on the side of a slope. The building has anchored smokestacks and various extensions and gables. A smaller building,...

    • Cripple Creek (Colo.)--1890-1900.; Mining--Colorado--Cripple Creek--1890-1900.; Ore industry--Colorado--Cripple Creek--1890-1900.

    • [between 1890 and 1900]
    • Harrison Reduction Works

    • Harrison Reduction Works

    • Miners pose near the building of the Harrison Reduction Works in Lake County, Colorado. Some men pose near wheelbarrows.

    • Mine buildings--Colorado--Lake County--1880-1890.; Lake County (Colo.)--1880-1890.; Carts & wagons--Colorado--Lake County--1880-1890.; Lumber--Colorado--Lake County--1880-1890.; Miners--Colorado--Lake County--1880-1890.; Mining--Colorado--Lake...

    • [between 1880 and 1885]
    • Caribou Reduction Works

    • Caribou Reduction Works

    • Exterior view of the Caribou Reduction Works, Boulder County, Colorado, includes the large structure built into a hill with a sloping roof, gable dormers and smoking smokestacks. Large stacks of wood are on both sides of the smelter and downed...

    • Caribou (Colo.)--1880-1890.; Mining--Colorado--Caribou--1880-1890.

    • [between 1880 and 1890]
    • Leadville

    • Leadville

    • This view from Chicken Hill, northwest across Leadville, Colorado, shows a town filled with wood frame residences, barns, sheds, mining operations and brick commercial and public structures. Landmarks include the Church of the Annunciation,...

    • Church of the Annunciation (Leadville, Colo.)--1900-1910.; Colorado and Southern Railway--1900-1910.; Harrison Reduction Works--1900-1910.; Leadville (Colo.)--1900-1910.; Cities & towns--Colorado--Leadville--1900-1910.

    • [1905?]
    • View of Pitkin looking west

    • View of Pitkin looking west

    • View of the town of Pitkin (Gunnison County), Colorado. Shows houses, barns, City Hall, and a church. The Jewell Mines and Reduction Company works is built into a hill near the edge of town.

    • Pitkin (Colo.)--1900-1930.; Cities & towns--Colorado--Pitkin--1900-1930.

    • [between 1900 and 1930?]
    • Mission at San Luis Rey

    • Mission at San Luis Rey

    • View of the San Luis Rey Mission in San Diego County, California. Shows Spanish Colonial style structure with adobe walls, bell tower with dome, curvilinear gables and cloisters.

    • San Luis Rey Mission (Calif.)--1880-1900.; San Luis Rey (Calif.)--1880-1900.; Catholic churches--California--San Luis Rey--1880-1900.; Missions--California--San Luis Rey--1880-1900.

    • [between 1882 and 1892?]
    • San Luis Rey from n.w.

    • San Luis Rey from n.w.

    • A tree grows in the courtyard of the San Luis Rey Mission in San Diego County, California. Shows the cloisters, a bell tower with dome and curvilinear gables.

    • San Luis Rey Mission (Calif.)--1880-1900.; San Luis Rey (Calif.)--1880-1900.; Catholic churches--California--San Luis Rey--1880-1900.; Courtyards--California--San Luis Rey--1880-1900.; Missions--California--San Luis Rey--1880-1900.

    • [between 1882 and 1892?]
    • Georgetown, Col.

    • Georgetown, Col.

    • View of Georgetown (Clear Creek County), Colorado. Shows the old school house, Presbyterian church, the Alpine Hose Company tower and the Farwell Reduction Works. Leavenworth Mountain is in the distance.

    • Georgetown (Colo.)--1880-1900.; Leavenworth Mountain (Colo.)--1880-1900.; Cities & towns--Colorado--Georgetown--1880-1900.

    • [between 1882 and 1900?]
    • Georgetown, Col.

    • Georgetown, Col.

    • View of Georgetown (Clear Creek County), Colorado. Shows the old school house, Presbyterian church, the Alpine Hose Company tower and the Farwell Reduction Works. Leavenworth Mountain is in the distance.

    • Georgetown (Colo.)--1880-1900.; Leavenworth Mountain (Colo.)--1880-1900.; Cities & towns--Colorado--Georgetown--1880-1900.

    • [between 1882 and 1900?]
    • Georgetown, Col.

    • Georgetown, Col.

    • View of Georgetown (Clear Creek County), Colorado shows a school house, the Presbyterian church, the Alpine Hose Company tower and the Farwell Reduction Works. Leavenworth Mountain is in the distance.

    • Georgetown (Colo.)--1880-1890.; Cities & towns--Colorado--Georgetown--1880-1890.

    • [between 1882 and 1900?]
    • Leadville, Colo

    • Leadville, Colo

    • Bird's eye view rendering shows Leadville, Lake County, Colorado, with vignettes of municipal buildings, mining facilities, and scenery. Printing reads: "Court House, Post Office, Tabor Opera House, Central School, Ninth St. School, Seventh St....

    • Leadville (Colo.)--1880-1890.; Cities & towns--Colorado--Leadville--1880-1890.

    • 1882
    • View of Leadville from Capitol Hill

    • View of Leadville from Capitol Hill

    • Leadville, Lake County, Colorado, shows a "View of Leadville from Capitol Hill," and close-ups including: "Clarendon Hotel, Streeter & Chapin, Proprietors, A. R. Meyer & Co's Sampling Works, W. S. Haswell, Druggist, Lake County Sampling Works,...

    • Leadville (Colo.)--1880-1890.; Commercial facilities--Colorado--Leadville--1880-1890.

    • [between 1880 and 1890?]
    • Birds Eye View of Leadville Lake County, Colo. 1879

    • Birds Eye View of Leadville Lake County, Colo. 1879

    • Bird's eye view rendering shows Leadville, Lake County, Colorado as dwellings, mining facilities, and mountains. Printing reads: "Court House, Jail, Public School, M. E. Church, Roman Catholic Church, Presbyterian Church, Office of the Daily...

    • Leadville (Colo.)--1870-1880.; Cities & towns--Colorado--Leadville--1870-1880.

    • 1879
    • Eureka in 1877, San Juan Co., Colorado

    • Eureka in 1877, San Juan Co., Colorado

    • Reproduction of bird's eye view rendering; shows Eureka, San Juan County, Colorado, and landmarks: 1. Colorado Lode 2. Old Trapper 3. Suamanda 4. Oporto 5. Garibaldi 6. Niagara 7. Centennial 8. Jackson 9. Shakespeare 10. American 11. Mc Kennie 12....

    • Eureka (Colo.)--1870-1880.

    • 1877
    • The Wolf Tongue Mining Co

    • The Wolf Tongue Mining Co

    • View of a tungsten mine processing facility in Boulder County, Colorado; shows ore reduction sheds, a settling pond, a car, houses, and a sign: "The Wolf Tongue Mining Co." Mountain peaks are in the distance.

    • Mine buildings--Colorado--Boulder County--1900-1920.; Tungsten mines and mining--Colorado--Boulder County--1900-1920.; Boulder County (Colo.)--1900-1920.; Houses--Colorado--Boulder County--1900-1920.; Mining--Colorado--Boulder County--1900-1920.

    • [between 1900 and 1920?]
    • Sprague - Osborn Mill

    • Sprague - Osborn Mill

    • View of a (silver or tungsten?) mine processing facility in Boulder County, Colorado; shows ore reduction sheds and a water tower.

    • Mine buildings--Colorado--Boulder County--1900-1920.; Boulder County (Colo.)--1900-1920.; Mining--Colorado--Boulder County--1900-1920.

    • [between 1900 and 1920?]
    • Mining works at Georgetown, Colorado

    • Mining works at Georgetown, Colorado

    • View of a mine processing facility in Clear Creek County, Colorado; shows ore sheds, a flume, and hills. Men pose by a creek and bridge with sign: "Wilson & Cass Reduction Works No Admittance by Order of Trustees."

    • Mine buildings--Colorado--Clear Creek County--1880-1900.; Clear Creek County (Colo.)--1880-1900.; Mining--Colorado--Clear Creek County--1880-1900.

    • [between 1880 and 1900?]
    • Georgetown Col.

    • Georgetown Col.

    • View of Georgetown (Clear Creek County), Colorado shows: school house, Presbyterian church, Alpine Hose Company tower and the Farwell Reduction Works. Leavenworth Mountain is in the distance.

    • Georgetown (Colo.)--1880-1900.; Cities & towns--Colorado--Georgetown--1880-1900.

    • [between 1882 and 1900?]
    • Colorado City

    • Colorado City

    • View over Colorado City, (capitol of Colorado Territory in 1861) El Paso County, Colorado, shows the two-story Argyle Block with saloon, gaming rooms, and retail space and false front businesses along Colorado Avenue; letters painted on rooftop...

    • Colorado City (Colo.)--1890-1910.

    • [between 1890 and 1910]
    • Brown Company's Works at Georgetown, Colo.

    • Brown Company's Works at Georgetown, Colo.

    • Smoke rises from a smokestack at what is identified as "Brown Company's" reduction works in Georgetown (Clear Creek County), Colorado. Men stand beside wooden mine or processing buildings. Shows a tower on scaffolding and vented, gable roofs.

    • Georgetown (Colo.)--1860-1870.; Industrial facilities--Colorado--Georgetown--1860-1870.; Mining--Colorado--Georgetown--1860-1870.; Ore industry--Colorado--Georgetown--1860-1870.

    • 1867
    • Leadville from California Gulch

    • Leadville from California Gulch

    • This view southeast from California or Oregon Gulch of Leadville, Colorado, looks toward reduction and sampling works, with mine tailings in a wash area in the foreground. Sheds, barns, lean-tos, log cabins, tents, false front businesses, and some...

    • Leadville (Colo.)--1870-1880.; Commercial facilities--Colorado--Leadville--1870-1880.; Construction--Colorado--Leadville--1870-1880.; Hills--Colorado--Leadville--1870-1880.; Mining--Colorado--Leadville--1870-1880.

    • 1879
    • Abel D. Breed ca. 1875

    • Abel D. Breed ca. 1875

    • $1,000 and tons of ore had been blocked out as a reserve. That year, Breed sold the mine to a group of investors from Holland for about $3 million with a cash down payment of $1.5 million. The mine is probably most famous for producing the silver...

    • Capitalists and financiers--1870-1880.; Silver coffeepots--1870-1880.; Silver mining--Colorado--Caribou--1870-1880.; Breed, Abel D.

    • [between 1935 and 1950?]
    • Leadville

    • Leadville

    • View from Carbonate Hill northwest across Leadville, Colorado, shows a town filled with wood frame residences, barns, sheds, brick commercial and public structures and mining operations with smokestacks and tailings. Landmarks include the Church...

    • Church of the Annunciation (Leadville, Colo.)--1900-1910.; Tabor Opera House--1900-1910.; Vendome Hotel--1900-1910.; Leadville (Colo.)--1900-1910.; Mining--Colorado--Leadville--1900-1910.

    • [1905?]
    • Leadville

    • Leadville

    • This view from Carbonate Hill northwest across Leadville, Colorado, looking at the south part of town includes crushers, smelters with smokestacks, and tailings of mining operations. The Midland Railroad's California Gulch Trestle, Harrison...

    • Leadville (Colo.)--1900-1910.; Mining--Colorado--Leadville--1900-1910.; Midland Railway Company.

    • [1905?]
    • Site of Bailey Mill Dam, Eldora 1900

    • Site of Bailey Mill Dam, Eldora 1900

    • began operating in the summer of 1899 but was forced to close down a few months later when Bailey's main financial backer in New York City was killed in a fire. In desperation, Bailey turned to his family for financial backing. The treatment...

    • Ore-dressing plants--Colorado--Eldora--1900-1910.; Boulder County (Colo.)--1900-1910.; Eldora (Colo.)--1900-1910.; Log buildings--Colorado--Eldora--1900-1910.

    • [between 1935 and 1950?]
    • Leadville

    • Leadville

    • View from Carbonate Hill northwest across Leadville, Colorado, to the south part of town includes mining crushers, smelters with smokestacks, mine tailings, the Midland Railroad's California Gulch Trestle, the Harrison Reduction Works, the Central...

    • Leadville (Colo.)--1900-1910.; Mining--Colorado--Leadville--1900-1910.; Midland Railway Company.

    • [1905?]
    • Central City

    • Central City

    • Panoramic view of Central City, Colorado in Gilpin County. Landmarks: the Teller House, Central City Opera House, and St. James's Methodist Church. Signs: "Teller House" and "Temple of Fashion Dry Goods Carpets."

    • Central City (Colo.)--1870-1880.

    • [between 1879 and 1880?]

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