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  • All fields: Conejos County (Colo.)--1900-1920.
(8 results)



Display: 50

    • Platoro Mining District

    • View of a winding dirt road , the toll road around Terrace Reservoir, in the Platero Mining District in Conejos County, Colorado. The Alamosa River and canyon are in the distance.
    • Alamosa River (Colo.)--1900-1920.; Conejos County (Colo.)--1900-1920.; Dirt roads--Colorado--Conejos County--1900-1920.; Rivers--Colorado--Conejos County--1900-1920.; Toll roads--Colorado--Conejos County--1900-1920.
    • [between 1900 and 1920?]
    • Buildings at Toltec Tunnel dotted line shows location of proposed airpipe line to upper workings

    • View of the Power Building and other structures at the Toltec Tunnel mine in Conejos County, Colorado. Shows men, women and children near saddled horses. A truss bridge is over the Silverton Northern railroad track. A freight car on a train reads,...
    • Silverton Northern Railroad Company--1900-1920.; Conejos County (Colo.)--1900-1920.; Toltec Tunnel (Conejos County, Colo. : Mine)--1900-1920.; Mine buildings--Colorado--Conejos County--1900-1920.; Mining--Colorado--Conejos County--1900-1920.;...
    • [between 1900 and 1920]
    • Platoro Mining District

    • View of Terrace Reservoir on the Alamosa River in Conejos County, Colorado; low hills and trees surround the water.
    • Denver and Rio Grande Railroad Company.; Conejos County (Colo.)--1900-1920.; Terrace Reservoir (Colo.)--1900-1920.; Reservoirs--Colorado--Conejos County--1900-1920.
    • [between 1900 and 1920?]
    • Power and other buildings at Toltec Tunnel

    • View of the power building and other structures located at the Toltec Tunnel mine in Conejos County, Colorado. Shows people on a suspended foot bridge over Toltec Creek, mine buildings, a tipple and tailings. AS dirt road and Silverton Northern...
    • Conejos County (Colo.)--1900-1920.; Toltec Tunnel (Conejos County, Colo. : Mine)--1900-1920.; Mining--Colorado--Conejos County--1900-1920.; Streams--Colorado--Conejos County--1900-1920.
    • [between 1900 and 1920]
    • Air compressor and dynamo, Toltec Tunnel

    • A man stands near an air compressor and dynamo located in the power building at the Toltec Tunnel mine, Conejos County, Colorado. Shows a General Electric brand dynamo and an air compressor made by the J. George Leyner Engineering Works Company.
    • Conejos County (Colo.)--1900-1920.; Toltec Tunnel (Conejos County, Colo. : Mine)--1900-1920.; Air compressors--Colorado--Conejos County--1900-1920.; Electric generators--Colorado--Conejos County--1900-1920.; Interiors--Colorado--Conejos...
    • [between 1900 and 1920]
    • The engine, Toltec Tunnel

    • View of the engine at the Toltec Tunnel power station in Conejos County, Colorado. Shows an electric generator with a large flywheel, pressure gauge and gyroscope attached.
    • Conejos County (Colo.)--1900-1920.; Toltec Tunnel (Conejos County, COlo. : Mine)--1900-1920.; Electric generators--Colorado--Conejos County--1900-1920.; Interiors--Colorado--Conejos County--1900-1920.; Mining--Colorado--Conejos County--1900-1920.
    • [between 1900 and 1920]
    • Platoro mining district

    • View of the Platoro District, Conejos County, Colorado; shows felled timber, pine forest, hills, and steep slopes.
    • Conejos County (Colo.)--1900-1920.; Mining--Colorado--Conejos County--1900-1920.
    • [between 1900 and 1920?]
    • Platoro mining district

    • View of the Platoro District, (Conejos County), Colorado; shows felled timber, pine forest, hills, and steep slopes.
    • Conejos County (Colo.)--1900-1920.; Mining--Colorado--Conejos County--1900-1920.
    • [between 1900 and 1920?]

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