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  Title

  Summary

  Subject

  Call Number

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  • Conqueror Mining Company Dormitory
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    The Conqueror Boarding House in North Empire, Clear Creek County, Colorado, is a three-story frame building with a gable roof, covered porch, and stone foundation. North Empire was the center of the Empire mining district; the Conqueror Mining...
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    North Empire (Colo.)--1940-1950.; Abandoned buildings--Colorado--North Empire--1940-50.; Lodging houses--Colorado--North Empire--1940-1950.
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    X-12516
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  • Empress Mine near N. Empire
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    A man and his daughter stand near a building of the Empress Mine near North Empire (Clear Creek County), Colorado. The shafthouse and loaded mine ore cars on a tramway are nearby.
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    Mine railroads--Cars--Colorado--North Empire--1900-1910.; Empire (Colo.)--1900-1910.; Empress Mine (Clear Creek County, Colo.)--1900-1910.; Fathers & children--Colorado--North Empire--1900-1910.; Girls--Colorado--North Empire--1900-1910.;...
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    X-61615
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  • Empire
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    The main street of Empire, Clear Creek County, Colorado, has commercial buildings on both sides. A clapboard store with a stepped false front has signs that read, "Empire Merc." and "Empire Mercantile;" the signs on the smaller building next door...
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    Empire (Colo.)--1960-1970.; Streets--Colorado--Empire--1960-1970.
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    X-3158
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  • Empire Valley, Colo.
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    The town of Empire is in the distance in this painting by Sara Holden. It was painted from the vantage of Democrat mountain, and shows the town and Empire valley.
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    Empire (Colo.)--1860-1880.; Valleys--Colorado--Empire--1860-1880.
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    X-8179
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  • Empire City, C.T.
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    View of Empire (Clear Creek County), Colorado; shows log and wood houses, businesses, felled timber, tailings, and mine railroad tracks.
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    Empire (Colo.)--1860-1870.; Cities & towns--Colorado--Empire--1860-1870.; Log buildings--Colorado--Empire--1860-1870.; Mining--Colorado--Empire--1860-1870.
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    Z-6081
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  • Big Chief Mill Empire
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    Miners and their families pose on the elevated tramway at the Empire Mill near Empire (Clear Creek County), Colorado. Stacks of timber are by nearby buildings.
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    Big Chief Mill (Empire, Colo.)--1880-1890.; Empire (Colo.)--1880-1890.; Mine railroads--Colorado--Empire--1880-1890.; Miners--Colorado--Empire--1880-1890.; Mining--Colorado--Empire--1880-1890.; Ore industry--Colorado--Empire--1880-1890.
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    X-22285
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  • Molybdenum concentrate is packed in barrels for transport to company-owned refineries in Fort Madison, Iowa or Langeloth, Pennsylvania.
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    A worker, in an apron, hard hat and gas mask, prepares barrels for shipping at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
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    Molybdenum--Colorado--Empire--1980-1990.; Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.; Safety...
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    X-60781
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  • Workers close covers on a bulk railroad car full of moly.
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    Workers prepare a railroad car for transporting molybdenum at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
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    Molybdenum--Colorado--Empire--1980-1990.; Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.; Railroad freight...
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    X-60782
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  • Empire Tunnel
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    Miners push a loaded mine ore car and a flatbed ore car on the tramway near the entrance of the Empire Tunnel near Empire (Clear Creek County), Colorado.
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    Mine railroads--Cars--Colorado--Empire--1880-1890.; Empire (Colo.)--1880-1890.; Empire Tunnel (Clear Creek County, Colo.)--1880-1890.; Miners--Colorado--Empire--1880-1890.; Mining--Colorado--Empire--1880-1890.
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    X-61613
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  • Jake & Jack at entrance of Empire Tunnel
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    Miners Jack and Jake pose near a mine ore car at the entrance to the Empire Tunnel mine near Empire (Clear Creek County), Colorado.
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    Mine railroads--Cars--Colorado--Empire--1890-1910.; Empire (Colo.)--1890-1910.; Empire Tunnel (Clear Creek County, Colo.)--1890-1910.; Miners--Colorado--Empire--1890-1910.; Mining--Colorado--Empire--1890-1910.
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    X-61632
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  • Empire, Colo Summer 1861
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    Men sit on the stoop of a false front building watching a group of volunteer soldiers perform drills in Empire, Colorado. Commercial buildings, covered wagons, and tree covered mountains are in the background.
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    Empire (Colo.)--1860-1870.; Soldiers--Colorado--Empire--1860-1870.
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    X-8187
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  • Flotation cells skim molybdenum
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    A worker monitors a row of "Denver Sub-A" flotation machines at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
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    Molybdenum--Colorado--Empire--1980-1990.; Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
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    X-60769
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  • These huge discs are filters used in the milling circuit for molybdenum at the Henderson mill.
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    A worker tends a 6-disc filter machine at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
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    Molybdenum--Colorado--Empire--1980-1990.; Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
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    X-60771
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  • Two regrind mills are set in place at this stage of the Henderson Mill
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    Construction inside the Henderson Mine and mill, Empire, Clear Creek County, Colorado. Shows regrind mills with support structures.
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    Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Construction--Colorado--Empire--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
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    X-60774
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  • The primary crusher control room at the Henderson Mill monitors crusher functions as well as electrical circuits for the ore haulage system.
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    Mill worker seated at the control room panel in the Henderson Mine and mill, Empire, Clear Creek County, Colorado.
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    Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Control rooms--Colorado--Empire--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
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    X-60776
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  • Over fifty percent completed with all four regrind mills in place and one of three ball mills visible, upper left.
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    Regrind mills and ball mill with support structures inside the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
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    Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Machinery--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
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    X-60778
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  • The Henderson Mill, shown in early stages of construction.
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    Construction inside the Henderson Mine and mill in Empire, Clear Creek County, Colorado. Shows cement foundation and supports.
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    Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Construction--Colorado--Empire--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
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    X-60779
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  • Molybdenum concentrate is packed in barrels for transport to company-owned refineries in Fort Madison, Iowa or Langeloth, Pennsylvania.
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    Workers prepare barrels for shipping on a freight truck, "NPT 668", at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
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    Molybdenum--Colorado--Empire--1980-1990.; Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.; Shipping--Colorado--Empire--1980-1990.
  • 
    X-60780
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  • The flotation circuits at the Henderson Mill are being installed and adjusted prior to initial startup.
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    Installation of rows of Denver Sub-A flotation machines inside the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
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    Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Machinery--Colorado--Empire--1980-1990.; Mills--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
  • 
    X-60777
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  • Empire Tunnel
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    View of the entrance to the Empire Tunnel near Empire (Clear Creek County), Colorado.
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    Empire (Colo.)--1880-1890.; Empire Tunnel (Clear Creek County, Colo.)--1880-1890.; Mining--Colorado--Empire--1880-1890.; Tunnels--Colorado--Empire--1880-1890.
  • 
    X-61611

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