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(151967 results)



Display: 50

    • Gunnison Post Office

    • Copy of a WPA painting "Wealth of the West," by Ila McAfee Turner in the Gunnison Post Office, Colorado; depicts a cattle drive with two cowboys, a miner gold panning in a river as a burro stands by with his supplies, a fisherman fishes in the...
    • Gunnison (Colo.)--1940-1950.
    • [1940]
    • Dr. Larry Brown, kneeling, explains the growth processes of experimental grass seed mixture at the...

    • Dr. Larry Brown demonstrates to his co-workers the growth processes of an experimental mixture of grass seed using crushed rock, wood chips, and dried sludge during the reclamation of the Urad mine site, Clear Creek County, Colorado.
    • Henderson Mine (Clear Creek County, Colo.)--People--1970-1980.; Clear Creek (Clear Creek County, Colo.)--1970-1980.; Mining--Colorado--Clear Creek County--1970-1980.; Reclamation of land--Colorado--Clear Creek County--1970-1980.; Brown, Larry.
    • [between 1975 and 1980]
    • Dr. Larry Brown, kneeling, explains the growth processes of experimental grass seed mixture at the...

    • Dr. Larry Brown demonstrates to his co-workers the growth processes of an experimental mixture of grass seed using crushed rock, wood chips, and dried sludge during the reclamation of the Urad mine site, Clear Creek County, Colorado.
    • Henderson Mine (Clear Creek County, Colo.)--People--1970-1980.; Clear Creek County (Colo.)--1970-1980.; Mining--Colorado--Clear Creek County--1970-1980.; Reclamation of land--Colorado--Clear Creek County--1970-1980.; Brown, Larry.
    • [between 1975 and 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
    • 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
    • An aerial view of the restabilization of the Urad reclamation

    • Two dump trucks are parked in the reclamation area at the Urad mine site, Clear Creek County, Colorado. Crushed rock from the Henderson mine was hauled here and used as tailings cover and substrate for vegetation. The mill is in the background.
    • Clear Creek County (Colo.)--1970-1980.; Urad Mine (Clear Creek County, Colo.)--1970-1980.; Mining--Colorado--Clear Creek County--1970-1980.; Reclamation of land--Colorado--Clear Creek County--1970-1980.
    • [between 1970 and 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
    • 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
    • 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
    • Urad Mill site shown at full operation

    • View of the Urad mill site, Clear Creek County, Colorado, shows mine and mill buildings and a large settling pond.
    • Tailings dams--Colorado--Clear Creek County--1960-1980.; Clear Creek County (Colo.)--1960-1980.; Mills--Colorado--Clear Creek County--1960-1980.; Mining--Colorado--Clear Creek County--1960-1980.
    • [between 1963 and 1974]
    • Pueblo st. ry. #15 factory photo.

    • View of Pueblo street railway's car number 15, in Pueblo, Colorado.
    • Pueblo (Colo.)--1900-1920.; Street railroads--Colorado--Pueblo--1900-1920.
    • [between 1900 and 1920?]
    • Southern Colorado Power Co. #80, Pueblo, Colo.

    • View of Southern Colorado Power Company's electric street railway car number 80, in Pueblo, Colorado, shows the car, not in use, parked between two others. The background view includes a brick commercial building with "Grocery Co." sign beneath its...
    • Southern Colorado Power Company--1940-1950.; Pueblo (Colo.)--1940-1950.; Street railroads--Colorado--Pueblo--1940-1950.
    • [between 1940 and 1950]
    • Southern Colorado Power Co., #90

    • View of Southern Colorado Power Company's electric street railway car number 90 in service on the outskirts of Pueblo, Colorado includes a grassy slope in the background.
    • Southern Colorado Power Company--1940-1950.; Pueblo (Colo.)--1940-1950.; Street railroads--Colorado--Pueblo--1940-1950.
    • [between 1940 and 1950]
    • Southern Colorado Power Co., #119

    • View of Southern Colorado Power Company street railway car number 119 at a busy intersection, in Pueblo, Colorado, shows the electric street railway car with "Fairmount Park" above the driver's window and a large "5" on the rooftop. The background...
    • Southern Colorado Power Company--1940-1950.; Pueblo (Colo.)--1940-1950.; Street railroads--Colorado--Pueblo--1940-1950.
    • [between 1940 and 1950]
    • Southern Colorado Power Co. #120, Pueblo, Colo.

    • View of Southern Colorado Power Company's electric street railway car number 120 in service on the outskirts of Pueblo, Colorado, includes a grassy slope in the background.
    • Southern Colorado Power Company--1940-1950.; Pueblo (Colo.)--1940-1950.; Street railroads--Colorado--Pueblo--1940-1950.
    • [between 1940 and 1950]
    • Headquarters for AMAX Western Operations, Golden, Colorado

    • View across the landscaped parking lot of the AMAX Western Operations headquarters, Golden, Jefferson County, Colorado, shows the two- story brick building with intersecting shingle hipped roofs. Parked automobiles include: Camaro, Mercedes, Pinto,...
    • AMAX, Inc.--1980-1990.; Golden (Colo.)--1980-1990.; Mining--Colorado--Golden--1980-1990.
    • [1980]
    • Reclaimed and seeded tailings offset the Urad Mill

    • View shows the reclamation efforts, using seeded tailings, at the Urad mine, Clear Creek County, Colorado. The mill is in the distance.
    • Clear Creek County (Colo.)--1970-1980.; Mills--Colorado--Clear Creek County--1960-1980.; Mining--Colorado--Clear Creek County--1960-1980.; Reclamation of land--Colorado--Clear Creek County--1960-1980.
    • [between 1963 and 1974]
    • The Urad reclamation starts to take shape

    • View of the reclamation area, in its early stages, at the Urad mine site, Clear Creek County, Colorado. The mine, dam, and mill are in the distance.
    • Clear Creek County (Colo.)--1970-1980.; Urad Mine (Clear Creek County, Colo.)--1970-1980.; Mining--Colorado--Clear Creek County--1970-1980.; Reclamation of land--Colorado--Clear Creek County--1970-1980.
    • [between 1970 and 1980]
    • Apex, Colorado, opera house

    • Interior of the Apex Miners' Hall, seven miles northwest of Central City, Gilpin County, Colorado; includes theater stage with square piano covered with a cloth, painted backdrop scenery, walls of a polling booth with a poster of: "State Of...
    • Apex (Colo.)--1940-1960.; Interiors.; States (Platforms)--Colorado--Apex--1940-1960.; Theaters--Colorado--Apex--1940-1960.
    • [between 1940 and 1960]
    • Crushed rock is dumped and leveled over Urad Mine tailings to provide a firm base for reclamation

    • View of a bulldozer leveling the reclamation area of the Urad mine site, Clear Creek County, Colorado. The mill and tailings pond are in the background.
    • Clear Creek County (Colo.)--1970-1980.; Urad Mine (Clear Creek County, Colo.)--1970-1980.; Bulldozers--Colorado--Clear Creek County--1970-1980.; Mining--Colorado--Clear Creek County--1970-1980.; Reclamation of land--Colorado--Clear Creek...
    • [between 1970 and 1980]
    • Crushed rock is dumped and leveled over Urad Mine tailings to provide a firm base for reclamation

    • A bulldozer stands by as a dump truck dumps crushed rock used for leveling the reclamation area of the Urad mine site, Clear Creek County, Colorado.
    • Clear Creek County (Colo.)--1970-1980.; Urad Mine (Clear Creek County, Colo.)--1970-1980.; Bulldozers--Colorado--Clear Creek County--1970-1980.; Dump trucks--Colorado--Clear Creek County--1970-1980.; Mining--Colorado--Clear Creek...
    • [between 1970 and 1980]
    • Police Matron's Office

    • View of an interior door to the Police Matron's Office possibly at the Denver City and County Building in Denver, Colorado. A sign painted on the transom window reads "Police Matron 115," and a sign on the door reads: "Visiting Hours, Matrons...
    • Denver (Colo.). Police Department.--Facilities--1940-1950.; Denver (Colo.)--1940-1950.; Detention facilities--Colorado--Denver--1940-1950.; Interiors--Colorado--Denver--1940-1950.; Offices--Colorado--Denver--1940-1950.
    • 1940 March 31
    • Fitz Bus & Taxi Co new bus #6

    • View of the Fitzsimons Bus & Taxi Company bus number 6 in Colorado. Lettering on the bus reads: "Bonded and Insured" and "To Denver."
    • Fitzsimons Bus & Taxi Co., Inc. (Denver, Colo.)--1920-1930.; Denver (Colo.)--1920-1930.; Buses--Colorado--Denver--1920-1930.
    •  
    • Georgetown, Colorado May 1946

    • View of Georgetown, Colorado, looking north, taken from Leavenworth Mountain. The grid plan of the town is clearly visible; many of the blocks have large unbuilt areas. Recognizable landmarks include Chimney Rock, the Cushman Block, the old school,...
    • Georgetown (Colo.)--1940-1950.
    • May 1946
    • Steele Hospital

    • View of buildings associated with Steele Hospital at 7th (Seventh) Avenue and Bannock Street in Denver, Colorado. Shows the nurses residence building and cars.
    • Steele Memorial Hospital (Denver, Colo.)--Buildings--1940-1950.; Denver (Colo.)--1940-1950.; Lincoln Park (Denver, Colo. : Neighborhood)--1940-1950.; Hospitals--Colorado--Denver--1940-1950.; Labor housing--Colorado--Denver--1940-1950.
    • [between 1940 and 1950?]
    • ASEA locomotives, built in Sweden, power ore trains between the Henderson Mine and Mill

    • An engineer sits in ASEA electric locomotive number 3502, it pulls ore cars on the rail line between the Henderson Mine and Mill (Grand County) Colorado.
    • ASEA (Firm)--Products--1970-1980.; Henderson Mine (Clear Creek County, Colo.)--Equipment & supplies--1970-1980.; Grand County (Colo.)--1970-1980.; Mine railroads--Colorado--Grand County--1970-1980.; Mining--Colorado--Grand County--1970-1980.;...
    • [between 1976 and 1980]
    • Richard Lincoln O'Donnel

    • Portrait of Richard Lincoln O'Donnel, identified as Vice President of Pennsylvania Railroad, in Philadelphia, Pennsylvania. He stands with his hands in his pockets and wears a suit with a double breasted jacket, a handkerchief, a collared shirt, a...
    • Pennsylvania Railroad--People--1910-1920.; Philadelphia (Pa.)--1910-1920.; Business people--Pennsylvania--Philadelphia--1910-1920.; Men--Pennsylvania--Philadelphia--1910-1920.; O'Donnel, Richard Lincoln.
    • 1912?
    • Double tracks allow quick return of empty ore trains over the 14.2 mile trip from the mill to the...

    • An engineer sits in ASEA electric locomotive number 3508 as it pulls empty mine cars between the Henderson Mine and Mill in Grand County, Colorado.
    • ASEA (Firm)--Products--1970-1980.; Henderson Mine (Clear Creek County, Colo.)--Equipment & supplies--1970-1980.; Grand County (Colo.)--1970-1980.; Mine railroads--Colorado--Grand County--1970-1980.; Mining--Colorado--Grand County--1970-1980.;...
    • [between 1976 and 1980]
    • Spillway Burlington Ditch

    • View of the Burlington Ditch in Adams County, Colorado. Well dressed men and workmen stand with equipment on the headgates of the ditch. One man crosses a temporary wooden pedestrian bridge near a spillway in the South Platte River. A headframe,...
    • Adams County (Colo.)--1910-1920.; Burlington Ditch (Colo.)--1910-1920.; South Platte River (Colo. and Neb.)--1910-1920.; Irrigation--Colorado--Adams County--1910-1920.; Rivers--Colorado--Adams County--1910-1920.; Spillways--Colorado--Adams...
    • 1910 March 23
    • The open pit at Climax mine near Leadville, Colorado.

    • View of an open pit Molybdenum mine near Leadville, Lake County, Colorado; mining machinery includes a scoop-crane, a dump truck, a tracklayer tractor, and a truck.
    • Climax Mine (Lake County, Colo.)--1940-1970.; Leadville (Colo.)--1940-1970.; Dump trucks--Colorado--Leadville--1940-1970.; Hoisting machinery--Colorado--Leadville--1940-1970.; Mining--Colorado--Leadville--1940-1970.
    • [between 1940 and 1970?]
    • Denver General Hospital from Welfare Bldg.

    • Exterior view of the Denver General Hospital complex at West 6th (Sixth) Avenue and Cherokee Street in the Lincoln Park neighborhood of Denver, Colorado. Shows the Jaffa Building, parking lots, and a smokestack.
    • Denver General Hospital--Buildings--1950-1960.; Denver (Colo.)--1950-1960.; Lincoln Park (Denver, Colo. : Neighborhood)--1950-1960.; Hospitals--Colorado--Denver--1950-1960.
    • 1956 June 22
    • Betty Cram Oral History

    • Betty Johnson Cram was born September 18, 1922 on a farm near Niwot, Colorado. After high school she moved to Denver and worked several jobs. In 1941, she found work at the Livestock Exchange Group. She remained there for several years, working...
    • Cram, Betty Johnson, 1922-; Swansea (Denver, Colo. : Neighborhood); Stockyards.
    • 2013 September 14
    • Leadville drum corps of 1888

    • Studio portrait of the Leadville Drum Corps band, who attended the National Encampment of the Grand Army of the Republic at Boston, Massachusetts, with their drums and drumsticks. Boys and young men pose in Zouave style uniforms with short shell...
    • Drum and bugle corps--Colorado--Leadville--1880-1890.; Bands--Colorado--Leadville--1880-1890.; Drums--1880-1890.; Musicians--Colorado--Leadville--1880-1890.
    • 1888

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