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  • All fields: Reduction
(1468 results)



Display: 50

    • The City of Denver: Volume 1 Number 3, 1912 November 9

    • Newsletter produced semi-monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 19121109
    • Municipal Facts: Volume 4 Number 8, 1921 August

    • Newsletter produced monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 19210801
    • 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
    • Municipal Facts: Volume 1 Number 3, 1918 May

    • Newsletter produced monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 19180501
    • 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

    • 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.

    • 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?]
    • Municipal Facts: Volume 1 Number 9, 1918 November

    • Newsletter produced monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 19181101
    • 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]
    • 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

    • 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

    • 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?]
    • 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]
    • 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?]
    • The Urban Dweller: A Publication by Capitol Hill United Neighborhoods Inc.

    • Newsletter produced by the Capitol Hill United Neighborhoods (CHUN) pertaining to organization's meetings, events, and decisions. Specific issues addressed in this newsletter include transportation, the Community Development Act, the People's Fair,...
    • Citizens' associations--Colorado--Denver.; Land use, Urban--Colorado--Denver; Zoning--Colorado--Denver; City planning--Colorado--Denver.; Neighborhood government--Colorado--Denver.; Transportation--Colorado--Denver.
    • 1975 January
    • The Urban Dweller: A Publication by Capitol Hill United Neighborhoods Inc.

    • Newsletter produced by the Capitol Hill United Neighborhoods (CHUN) pertaining to organization's meetings, events, and decisions. Specific issues addressed in this newsletter include street lights, CHARG, VISTA volunteers, and the People's Fair.
    • Citizens' associations--Colorado--Denver.; Land use, Urban--Colorado--Denver; Zoning--Colorado--Denver; City planning--Colorado--Denver.; Neighborhood government--Colorado--Denver.; Transportation--Colorado--Denver.
    • 1980 November
    • 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]
    • 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?]
    • 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?]
    • 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?]
    • 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

    • 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?]
    • Municipal Facts: Volume 1 Number 8, 1918 October

    • Newsletter produced monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 19181001
    • 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]
    • 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]
    • Stanley Arms

    • Exterior photograph of the Stanley Arms Apartments located in Denver, Colorado. After retiring in 1938 from a distinguished career as a medical researcher at Johns Hopkins University, Dr. Florence Rena Sabin returned to Denver and established her...
    • Stanley Arms Apartments (Denver, Colo.)--1930-1940.; Apartment houses--Colorado--Denver; Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.; Architecture--Colorado--Denver--History.
    • 1937
    • McNassar's Ranch home

    • Photograph of the McNassar's ranch home located in the Argo neighborhood of Denver, Colorado. Several people and animals stand around the main house in various wagons and buggies.
    • Globeville (Denver, Colo. : Neighborhood)
    • circa 1895
    • Stanley Arms

    • After retiring in 1938 from a distinguished career as a medical researcher at Johns Hopkins University, Dr. Florence Rena Sabin returned to Denver and established her home in the Stanley Arms. While living and working here, she authored Colorado's...
    • Stanley Arms Apartments (Denver, Colo.)--1990-2000.; Apartment houses--Colorado--Denver; Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.; Architecture--Colorado--Denver--History.
    • 1998 November
    • Stanley Arms

    • Exterior photograph of the Stanley Arms Apartments located in Denver, Colorado. After retiring in 1938 from a distinguished career as a medical researcher at Johns Hopkins University, Dr. Florence Rena Sabin returned to Denver and established her...
    • Stanley Arms Apartments (Denver, Colo.)--1990-2000.; Apartment houses--Colorado--Denver; Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.; Architecture--Colorado--Denver--History.
    • 1998 November
    • 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?]
    • Stanley Arms

    • Exterior photograph of the Stanley Arms Apartments located in Denver, Colorado. After retiring in 1938 from a distinguished career as a medical researcher at Johns Hopkins University, Dr. Florence Rena Sabin returned to Denver and established her...
    • Stanley Arms Apartments (Denver, Colo.)--1990-2000.; Apartment houses--Colorado--Denver; Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.; Architecture--Colorado--Denver--History.
    • 1998 November
    • 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
    • Stanley Arms

    • Exterior photograph of the Stanley Arms Apartments located in Denver, Colorado. After retiring in 1938 from a distinguished career as a medical researcher at Johns Hopkins University, Dr. Florence Rena Sabin returned to Denver and established her...
    • Stanley Arms Apartments (Denver, Colo.)--1990-2000.; Apartment houses--Colorado--Denver; Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.; Architecture--Colorado--Denver--History.
    • 1998 November
    • Stanley Arms entrance

    • Exterior photograph of the Stanley Arms Apartments entrance located in Denver, Colorado. After retiring in 1938 from a distinguished career as a medical researcher at Johns Hopkins University, Dr. Florence Rena Sabin returned to Denver and...
    • Stanley Arms Apartments (Denver, Colo.)--1990-2000.; Apartment houses--Colorado--Denver; Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.; Architecture--Colorado--Denver--History.
    • 1998 November
    • Stanley Arms parking garages

    • Exterior photograph of the Stanley Arms Apartments' parking garages located in Denver, Colorado. After retiring in 1938 from a distinguished career as a medical researcher at Johns Hopkins University, Dr. Florence Rena Sabin returned to Denver and...
    • Stanley Arms Apartments (Denver, Colo.)--1990-2000.; Apartment houses--Colorado--Denver; Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.; Architecture--Colorado--Denver--History.
    • 1998 November
    • Denver Municipal Facts: Volume 3 Number 16, 1911 April 15

    • Newsletter produced by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 19110415
    • 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?]
    • 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?]
    • 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?]
    • 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?]
    • 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?]

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