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  • All fields: Empire (Colo.)--1980-1990.
(17 results)



Display: 50

    • Workers close covers on a bulk railroad car full of moly.

    • Workers prepare a railroad car for transporting molybdenum at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
    • 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...
    • September 6, 1980
    • Flotation cells are monitored during skimming operation for molybdenum recovery.

    • A worker monitors a row of "Denver Sub-A" flotation machines at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
    • 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.
    • September 6, 1980
    • Flotation cells skim molybdenum

    • A worker monitors a row of "Denver Sub-A" flotation machines at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
    • 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.
    • September 6, 1980
    • These huge discs are filters used in the milling circuit for molybdenum at the Henderson mill.

    • A worker tends a 6-disc filter machine at the Henderson Mine and mill in Empire, Clear Creek County, Colorado.
    • 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.
    • September 6, 1980
    • Henderson's modern mill control room monitors every vital function in the milling process.

    • Workers in the control room at the Henderson Mine and mill in Empire, Clear Creek County, Colorado shows: telephones, desk and control panels.
    • Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Control rooms--Colorado--Empire--1980-1990.; Interiors--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
    • September 6, 1980
    • The primary crusher pit begins to take shape.

    • Construction site of the primary crusher pit at the Henderson Mine and mill in Empire, Clear Creek County, Colorado. Shows: trucks, bulldozer, and a round foundation.
    • Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Digging--Colorado--Empire--1980-1990.; Excavation--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
    • September 6, 1980
    • A pit is carved out to house the primary crusher at the Henderson Mill.

    • Construction site of the primary crusher pit at the Henderson Mine and mill, Empire, Clear Creek County, Colorado. Shows: cars, trucks, and a round foundation.
    • Empire (Colo.)--1980-1990.; Henderson Mine (Clear Creek County, Colo.)--1980-1990.; Excavation--Colorado--Empire--1980-1990.; Mining--Colorado--Empire--1980-1990.
    • September 6, 1980
    • The Henderson Mill, shown in early stages of construction.

    • Construction inside the Henderson Mine and mill in Empire, Clear Creek County, Colorado. Shows cement foundation and supports.
    • 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.
    • September 6, 1980
    • Empire 1980's

    • The Berthoud Falls Inn and Italian Restaurant was at the bottom of Berthoud Pass until it burned in July, 1987. It features multiple gables, decorative gableboard, horizontal log walls, rough-cut stone chimney, and balconies in front of the guest...
    • Empire (Colo.)--1980-1990.; Taverns (Inns)--Colorado--Empire--1980-1990.
    • [between 1980 and 1987]
    • Two regrind mills are set in place at this stage of the Henderson Mill

    • Construction inside the Henderson Mine and mill, Empire, Clear Creek County, Colorado. Shows regrind mills with support structures.
    • 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.
    • September 6, 1980

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