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  • All fields: OPERATION
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    • Meeker, Colorado

    • The second J. W. Hugus and Company Building, Meeker, Rio Blanco County, Colorado, (originally built in the 1890s, destroyed by fire in the 1910 or 1911, then rebuilt.) Several men and a boy pose on boardwalk in front of the Meeker Bank and Hugus...
    • Meeker (Colo.)--1890-1910.; Buildings--Colorado--Meeker--1890-1910.
    • [between 1890 and 1910]
    • Policarpio Córdova family

    • Group portrait of the Policarpio Córdova family from Trinidad (Las Animas County), Colorado. Front row left to right: Policarpio Córdova, Gumucinda Chacón, Isabel Córdova. Back row left to right: Rosa, Amadeo and Policarpio Córdova, Jr. Rosa...
    • Hispanic Americans--1900-1910.; Mexican Americans--1900-1910.; Families.; Córdova, Policarpio, 1857-1924--Family--Pictorial works.; Chacón, Gumucinda, 1884-1942--Family--Pictorial works.; Córdova family--Pictorial works.; Hispanic American...
    • [between 1900 and 1910?]
    • The City of Denver: Volume 2 Number 1, 1913 October 11

    • 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.
    • 19131011
    • Marble - 1959 Turntable

    • View of the loading and turn-around area for trains, on the grounds of the former marble mill site, in Marble (Gunnison County), Colorado; shows a 60 foot diameter turntable area below ground with a marble retaining walls.
    • Marble (Colo.)--1950-1960.; Railroad stations--Colorado--Marble--1950-1960.
    • 1959
    • Dismantling operation on Colorado Central

    • View of people and iron rail on a handcar near a railroad signal as Colorado Central Railroad track is dismantled near Central City (Teller County), Colorado. Mine buildings and wood-frame houses are in the distance.
    • Colorado Central Railroad Company--Equipment & supplies--1980-1990.; Central City (Colo.)--1980-1990.; Demolition--Colorado--Central City--1980-1990.; Railroad handcars--Colorado--Central City--1980-1990.; Railroad tracks--Colorado--Central...
    • 1981 Nov. 14
    • Hilltopper, Volume 1 Number 5

    • Neighborhood newsletter highlighting Capitol Hill businesses and interests.
    • Neighborhoods--Colorado--Denver.
    • 1954 April 14
    • East High spotlight: vol 24 no 5

    • Christmas edition of the newspaper produced by East High School of Denver, Colorado. Included in the paper are photographs of students, articles on school events and sports.
    • East High School (Denver, Colo.)--Students--Writings.; East High School (Denver, Colo.)--Periodicals.; High schools--Colorado--Denver--Periodicals.; Public schools--Colorado--Denver.; High schools--Colorado--Denver.; East High School (Denver, Colo.)
    • 1942 December 10
    • Agriculture crops harvesting scene of harvesting & thrashing [sic]

    • View of a wheat threshing operation at a farm, probably in Denver, Colorado. One man operates a tractor parked near a wagon that reads: "Studebaker".
    • Denver (Colo.)--1900-1920.; Carts & wagons--Colorado--Denver--1900-1920.; Harvesting--Colorado--Denver--1900-1920.; Threshing--Colorado--Denver--1900-1920.; Tractors--Colorado--Denver--1900-1920.; Wheat--Colorado--Denver--1900-1920.
    • [between 1904 and 1915?]
    • Hagerman Pass in winter, snow plow

    • View of a Colorado Midland Railway rotary snowplow in operation on Hagerman Pass (Pitkin County), Colorado. A railway employee, man and a boy stand by a water tower.
    • Colorado Midland Railway Company--1880-1900.; Hagerman Pass (Colo.)--1880-1900.; Pitkin County (Colo.)--1880-1900.; Railroad snowplow locomotives--Colorado--Pitkin County--1880-1900.; Railroads--Colorado--Pitkin County--1880-1900.; Snow...
    • [between 1880 and 1896?]
    • RGS narrow gauge locomotive, engine number 461, engine type 2-8-2

    • Left rear view of engine; entire train, showing scrapping operation. Photographed: near Lizard Head, Colorado, October 11, 1952.
    • Railroads--Trains--Colorado--Lizard Head--1950-1960.; Lizard Head (Colo.)--1950-1960.; Narrow gauge railroads.; Railroad locomotives--Colorado--Lizard Head--1950-1960.; Rio Grande Southern Railroad.
    • 1952
    • Denver Tramway Company Powerhouse/Forney Historic Transportation Museum

    • Interior photograph of the steel floor supports on the upper lever of the Denver Tramway Company Powerhouse/Forney Historic Transportation Museum located in Denver, Colorado. The Denver Tramway Company Powerhouse is associated with the expansion...
    • Denver Tramway Company (Denver, Colo.)--Buildings--2000-2010.; Forney Museum of Transportation--Buildings--2000-2010.; Harry H. Post Company--Buildings--2000-2010.; REI (Firm)--Buildings--2000-2010.; Highland (Denver, Colo.)--2000-2010.; Galleries...
    • April 2001
    • Buckhorn Exchange

    • Exterior photograph of the Buckhorn Exchange Restaurant located in Denver, Colorado. The Buckhorn Exchange is one of Denver's oldest and best-known historic restaurant/bars. Built in late 1885 or early 1866, the building was first owned by John...
    • Buckhorn Exchange.; Buckhorn Exchange (Denver, Colo.) Restaurants--Colorado--Denver.; Zietz, Henry H.; Lincoln Park (Denver, Colo.) Historic Buildings.; Historic preservation--Colorado--Denver.; Historic buildings--Colorado--Denver.;...
    • Undated
    • Crown Tar Works operated by Denver Gas & Electric Light Co.

    • View of a tar manufacturing operation in Denver, Colorado; shows tanks, railroad tracks, and signs: "Crown Tar Works," and "Denver Gas & Electric Light Co."
    • Crown Tar Works (Denver, Colo.)--Facilities--1910-1920.; Denver (Colo.)--1910-1920.; Coal-tar industry--Colorado--Denver--1910-1920.
    • [between 1910 and 1920?]
    • West Side Recorder Volume 6 No 9

    • Newsletter dedicated to community life in the Auraria neighborhood prior to the construction of the Auraria campus
    • Community newspapers--Auraria (Denver, Colo.)
    • 1970 January
    • Denver Tramway Company Powerhouse/Forney Historic Transportation Museum

    • Photograph looking towards the Denver Tramway Company Powerhouse/Forney Historic Transportation Museum with downtown Denver, Colorado in the background. The Denver Tramway Company Powerhouse is associated with the expansion and operation of the...
    • Denver Tramway Company (Denver, Colo.)--Buildings--2000-2010.; Forney Museum of Transportation--Buildings--2000-2010.; Harry H. Post Company--Buildings--2000-2010.; REI (Firm)--Buildings--2000-2010.; Highland (Denver, Colo.)--2000-2010.; Galleries...
    • April 2001
    • Buckhorn Exchange

    • Exterior photograph of the Buckhorn Exchange Restaurant located in Denver, Colorado. The Buckhorn Exchange is one of Denver's oldest and best-known historic restaurant/bars. Built in late 1885 or early 1866, the building was first owned by John...
    • Buckhorn Exchange--1980-1990.; Buckhorn Exchange (Denver, Colo.)--1980-1990.; Restaurants--Colorado--Denver--1980-1990.; Zietz, Henry H.; Lincoln Park (Denver, Colo.)--1980-1990.; Historic Buildings.; Historic preservation--Colorado--Denver.;...
    • 1984 March
    • Municipal Facts: Volume 1 Number 5, 1918 July

    • 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.
    • 19180701
    • Denver Municipal Facts: Volume 1 Number 14, 1909 May 22

    • 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.
    • 19090522
    • Tonopah Placer Co dredge on Blue River below Breckenridge Colo

    • View of a Tonopah Placer Company placer gold dredge in Breckenridge, Summit County, Colorado. Men pose by the hydraulic mine operation; a United States flag tops the tern gantry.
    • Gold dredging--Breckenridge--1910-1920.; Mining machinery--Breckenridge--1910-1920.; Blue River (Colo. : River)--1910-1920.; Breckenridge (Colo.)--1910-1920.; Hydraulic mining--Colorado--Breckenridge--1910-1920.;...
    • June 30, 1917
    • Stone quarry

    • View, from a distance, of a stone quarry operation in Colorado.
    • Hills--Colorado--1890-1910.; Mining--Colorado--1890-1910.; Quarrying--Colorado--1890-1910.
    • [between 1890 and 1910]
    • Typical modern home for employees, Climax, Colo.

    • View of a newly constructed company employee residence of the molydenum mine operation, Climax, (11,320 feet) Fremont Pass, Continental Divide, Lake County, Colorado; shows a one-story stucco and brick foundation building with intersecting hip and...
    • Climax (Colo.)--1930-1940.; Houses--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1936]
    • Denver Tramway Company Powerhouse/Forney Historic Transportation Museum

    • Photograph looking towards the Denver Tramway Company Powerhouse/Forney Historic Transportation Museum with downtown Denver, Colorado in the background. The Denver Tramway Company Powerhouse is associated with the expansion and operation of the...
    • Denver Tramway Company (Denver, Colo.)--Buildings--2000-2010.; Forney Museum of Transportation--Buildings--2000-2010.; Harry H. Post Company--Buildings--2000-2010.; REI (Firm)--Buildings--2000-2010.; Highland (Denver, Colo.)--2000-2010.; Galleries...
    • April 2001
    • RGS narrow gauge motor car number 6

    • Almost head on; Work Goose in scrapping operation. (The Work Goose never carried passengers or freight. It was used in maintenance of way service.) Photographed: near Muldoon, Colorado, October 11, 1952.
    • Railroad motor-cars--1950-1960.; Railroads--Trains--Colorado--Muldoon--1950-1960.; Muldoon (Colo.)--1950-1960.; Narrow gauge railroads.; Railroad cars--Colorado--Muldoon--1950-1960.; Rio Grande Southern Railroad.
    • 1952
    • RGS narrow gauge motor car number 7

    • Head on; Goose in scrapping operation. Photographed: Grady, Colorado, June 1953.
    • Railroad motor-cars--1950-1960.; Railroads--Trains--Colorado--Grady--1950-1960.; Grady (Colo.)--1950-1960.; Narrow gauge railroads.; Railroad cars--Colorado--Grady--1950-1960.; Rio Grande Southern Railroad.
    • 1953
    • Denver Tramway Company Powerhouse

    • Photograph looking towards the Denver Tramway Company Powerhouse with downtown Denver, Colorado in the background. The Denver Tramway Company Powerhouse is associated with the expansion and operation of the city's electric streetcar system. The...
    • Denver Tramway Company (Denver, Colo.)--Buildings--1910-1920.; Forney Museum of Transportation--Buildings--1910-1920.; Harry H. Post Company--Buildings--1910-1920.; REI (Firm)--Buildings--1910-1920.; Highland (Denver, Colo.)--1910-1920; Galleries &...
    • 1911
    • The Gold Links Mine & Mill

    • View of the Gold Links Mill, Ohio City (Ohio, Gunnison County), Colorado as smoke spews from smokestacks. Shows wood frame and log buildings, horses and outhouses. A road is in the distance.
    • Gold Links Mine (Gunnison County, Colo.)--1900-1910.; Ohio City (Colo.)--1900-1910.; Mine buildings--Colorado--Ohio City--1900-1910.; Mining--Colorado--Ohio City--1900-1910.
    • 1908
    • Dredger believed to be operating in vicinity of Breckenridge, Colorado

    • Panoramic view of a gold dredging operation in (probably) Breckenridge (Summit County), Colorado; a crane and conveyor belt are part of the machinery.
    • Breckenridge (Colo.)--1910-1920.; Dredges--American--Colorado--Breckenridge--1910-1920.; Gold mining--Colorado--Breckenridge--1910-1920.; Hydraulic mining--Colorado--Breckenridge--1910-1920.; Mining--Colorado--Breckenridge--1910-1920.
    • 1916?
    • RGS narrow gauge motor car number 6

    • Head on; Work Goose in scrapping operation. (The Work Goose never carried passengers or freight. It was used in maintenance of way service.) Photographed: near Muldoon, Colorado, October 11, 1952.
    • Railroad motor-cars--1950-1960.; Railroads--Trains--Colorado--Muldoon--1950-1960.; Muldoon (Colo.)--1950-1960.; Narrow gauge railroads.; Railroad cars--Colorado--Muldoon--1950-1960.; Rio Grande Southern Railroad.
    • 1952
    • Starting to fold 3 50 ft. middle pieces together

    • Work crew packs up the middle pieces of a tent from the Sells Floto Circus and Buffalo Bill's Wild West Show. Vertical wooden poles and guy wires are seen near the operation and a striped tent is in the distance.
    • Buffalo Bill's Wild West Company--People--1910-1920.; Sells Floto Circus--People--1910-1920.; Circuses & shows--1910-1920.; Laborers--1910-1920.; Show tents--1910-1920.; Wild west shows--1910-1920.
    •  
    • Denver Tramway Company Powerhouse/Forney Historic Transportation Museum

    • Exterior photograph of the Denver Tramway Company Powerhouse/REI flagship store located in Denver, Colorado. The Denver Tramway Company Powerhouse is associated with the expansion and operation of the city's electric streetcar system. The...
    • Denver Tramway Company (Denver, Colo.)--Buildings--2000-2010.; Forney Museum of Transportation--Buildings--2000-2010.; Harry H. Post Company--Buildings--2000-2010.; REI (Firm)--Buildings--2000-2010.; Highland (Denver, Colo.)--2000-2010.; Galleries...
    • 2001 May
    • Placer mining Leadville

    • Miners stand near a hydraulic nozzle or monitor as they survey a placer mining operation near Leadville, Lake County, Colorado.
    • Leadville (Colo.)--1880-1890.; Hydraulic mining--Colorado--Leadville--1880-1890.; Miners--Colorado--Leadville--1880-1890.; Mining--Colorado--Leadville--1880-1890.
    • [between 1882 and 1889]
    • Mine buildings

    • View of a radium mine operation in Colorado. Shows wood frame buildings and smokestacks.
    • Mine buildings--Colorado--1920-1930.; Mining--Colorado--1920-1930.; Smokestacks--Colorado--1920-1930.
    • [between 1940 and 1960]
    • Climax at top of Fremont Pass

    • View of the snowcovered mining town of Climax, Fremont Pass on the Continental Divide, Lake County, Colorado; includes Colorado and Southern station number 1147, depot section house, railroad tracks, stacks of lumber, water tower, and molybdenum...
    • Climax (Colo.)--1920-1930.; Fremont Pass (Colo.)--1920-1930.; Mining--Colorado--Climax--1920-1930.; Passes (Landforms)--Colorado--Climax--1920-1930.
    • ca. January 1929
    • Jennings Hotel

    • Men and women pose beside the Jennings Hotel (Graymont Hotel) in Graymont (Clear Creek County), Colorado. Men wear suits and stand near women in dresses who sit sidesaddle on horseback beside the frame and log hotel building. A sign on the gabled,...
    • Jennings Hotel (Graymont, Colo.)--1880-1890.; Graymont (Colo.)--1880-1890.; Hotels--Colorado--Graymont--1880-1890.; Railroad stations--Colorado--Graymont--1880-1890.; Wooden buildings--Colorado--Graymont--1880-1890.; Georgetown, Breckenridge, and...
    • [between 1884 and 1889?]
    • Sunlight the brilliant Colorado sun plays a symphony of light on these soaking pit workers

    • Interior view of Colorado Fuel and Iron Company, Pueblo, Colorado, a steel and iron manufacturing plant; shows male employees working in "soaking pit" area where ingots are reheated then carried by giant crane on an elevated track operated by...
    • Pueblo (Colo.)--1950-1970.; Interiors.; Steel industry--Colorado--Pueblo--1950-1970.; Colorado Fuel and Iron Company.
    • [between 1950 and 1970?]
    • Denver Tramway Company Powerhouse new generator room

    • Interior photograph of the new generator room located in the Denver Tramway Company Powerhouse in Denver, Colorado. The Denver Tramway Company Powerhouse is associated with the expansion and operation of the city's electric streetcar system. The...
    • Denver Tramway Company (Denver, Colo.)--Buildings--1920-1930.; Forney Museum of Transportation--Buildings--1920-1930.; Harry H. Post Company--Buildings--1920-1930.; REI (Firm)--Buildings--1920-1930.; Highland (Denver, Colo.)--1920-1930.; Galleries...
    • 1927
    • Placer mining

    • A view of a placer mining operation possibly in Colorado. What may be a sluice leads down to a river.
    • Hydraulic mining--1890-1910.; Mining--1890-1910.
    • [between 1890 and 1910]
    • Main pipe, distribution pipes and tank

    • View of the main pipe, valves, and water tank, part of a placer mining operation near Gold Run, California.
    • Hydraulic mining--California--Gold Run--1870-1890.; Mining--California--Gold Run--1870-1890.; Penstocks--California--Gold Run--1870-1890.
    • [between 1874 and 1886]
    • Hydraulic mining Leadville

    • A miner stands in a ravine and aims a hydraulic nozzle or monitor as part of a placer mining operation near Leadville, Lake County, Colorado.
    • Leadville (Colo.)--1880-1890.; Hydraulic mining--Colorado--Leadville--1880-1890.; Miners--Colorado--Leadville--1880-1890.; Mining--Colorado--Leadville--1880-1890.
    • [between 1880 and 1890]
    • Marble

    • View of stacked marble slabs at the abandoned remains of the marble mill site, in Marble (Gunnison County), Colorado. The marble towers were a reinforcing (added 1914-1915) of every fourth or fifth wooden tower supporting the two overhead cranes.
    • Colorado Yule Marble Company--1940-1960.; Marble (Colo.)--1940-1960.; Yule Quarry (Gunnison County, Colo.)--1940-1960.; Marble quarrying--Colorado--Marble--1940-1960.; Mining--Colorado--Marble--1940-1960.
    • [between 1943 and 1954]
    • Superintendent's residence, Climax, Colorado

    • Facade view of a newly constructed company superintendent's residence of the molybdenum mine operation, Climax, (11,320 feet) Fremont Pass, Continental Divide, Lake County, Colorado; shows a two-story stucco house with brick trim, bracketed hip...
    • Climax (Colo.)--1930-1940.; Houses--Colorado--Climax--1930-1940.
    • [1936]
    • Ore buckets

    • View of a mining operation in (probably) Colorado; shows an aerial tramway, tailing piles, timber cribbing, and ore processing sheds.
    • Tailings embankments--Colorado--1930-1940.; Aerial tramways--Colorado--1930-1940.; Mining--Colorado--1930-1940.
    • [between 1933 and 1939?]
    • Radium mine

    • View of a radium mine operation in Colorado. Two automobiles are parked near the side of a dirt road.
    • Mine buildings--Colorado--1920-1930.; Mining--Colorado--1920-1930.
    • [between 1920 and 1930]
    • Climax, Colorado

    • View of the construction of the molybdenum mine mill and trestle, Climax, (11,320 feet) Fremont Pass, Continental Divide, Lake County, Colorado; shows scaffolding on the mill, scattered lumber, and foundation forms set for the ore cart trestle;...
    • Climax (Colo.)--1930-1940.; Mills--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • July 9, 1930
    • Ore buckets on cable

    • View of a mining operation in (possibly) Colorado; shows an aerial tramway, ore buckets, tailing piles, tree stumps, and frame sheds.
    • Tailings embankments--Colorado--1930-1940.; Aerial tramways--Colorado--1880-1900.; Mining--Colorado--1880-1900.
    • [between 1880 and 1900?]
    • Placer miners

    • Men and women pose near a placer mining operation in San Miguel County, Colorado. One man holds a gold pan. Miners aim a nozzle or monitor at the mine pit nearby.
    • San Miguel County (Colo.)--1880-1900.; Hydraulic mining--Colorado--San Miguel County--1880-1900.; Miners--Colorado--San Miguel County--1880-1900.; Mining--Colorado--San Miguel County--1880-1900.; Women--Colorado--San Miguel County--1880-1900.
    • [between 1880 and 1900]
    • Climax, Colorado

    • View over the company mining town of Climax towards Arkansas Mountain, Lake County, Colorado; includes trestle, water tower, and wood frame molybdenum mining operation structures and residences.
    • Climax (Colo.)--1950-1960.; Mining--Colorado--Climax--1950-1960.
    • 1955
    • My Brother's Bar

    • View of the facade and west elevation of My Brother's Bar at 2376 15th (Fifteenth) Street in the Highland Neighborhood of Denver, Colorado. The one story brick building has a rustic wood exterior on the street elevation, rounded arched windows and...
    • My Brother's Bar (Denver, Colo.)--1970-1980.; Highland (Denver, Colo.)--1970-1980.; Denver (Colo.)--1970-1980.; Bars (Drinking establishments); My Brother's Bar (Denver, Colo.)--Pictorial works.; Bars (Drinking...
    • 1977
    • Climax, Colorado

    • View along a built up gravel road of the company housing for the employees of the molydenum mine operation, Climax, (11,320 feet) Fremont Pass, Continental Divide, Lake County, Colorado; shows identical one-story hip roof stucco and brick...
    • Climax (Colo.)--1930-1940.; Houses--Colorado--Climax--1930-1940.; Mining--Colorado--Climax--1930-1940.
    • [1936]

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