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    • East Denver High School Annual: 1911

    • 1911 Yearbook from East Denver High School.
    • East High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.
    • 1911
    • East Denver High School Annual: 1912

    • 1912 Yearbook from East Denver High School.
    • East High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.
    • 1912
    • Denver High School: East Side Annual 1913

    • 1913 Yearbook from East Denver High School.
    • East High School (Denver, Colo.)--Students--Yearbooks.; Denver Public Schools--Students--Yearbooks.; School yearbooks--Colorado--Denver.
    • 1913
    • Johnnie Dewer's Place (present town hall)

    • Men pose around the wooden bar in a saloon in Breckenridge, Colorado. One holds a corncob pipe. The backbar pediment has carving and spindlework; bunting is tacked around the mirror. A cash register and metal sculptures of swordsmen are on it, and...
    • Breckenridge (Colo.)--1890-1900.; Bars--Colorado--Breckenridge--1890-1900.; Interiors--1890-1900.
    • 1894 or 1895
    • Johnnie Dewer's Place

    • Two men with long white beards sit on the wooden bar in a saloon in Breckenridge, Colorado. One holds a cane and one holds a corncob pipe. The backbar pediment has carving and spindlework; bunting is tacked to the mirror border. A cash register and...
    • Breckenridge (Colo.)--1890-1900.; Bars--Colorado--Breckenridge--1890-1900.; Interiors--1890-1900.
    • [between 1892 and 1899?]
    • 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?]
    • Snow shed, Alpine Pass

    • A long snow shed covers the main line of the Denver, South Park & Pacific Railroad in front of the stone engine house at Alpine Pass, about a quarter of a mile west of the Alpine Tunnel, on the border of Chaffee and Gunnison counties in Colorado....
    • Chaffee County (Colo.)--1880-1890.; Gunnison County (Colo.)--1880-1890.; Railroads--Colorado--Gunnison County--1880-1890.; Snowsheds--Colorado--Gunnison County--1880-1890.
    • [1882?]
    • Rifle, "Apple Pie Day"

    • A woman and a girl hold pendants that read: "Apple Pie Day, September 22-23 1914., Rifle, Colo." and pose on horseback in Rifle (Garfield County), Colorado. A woman wears a fitted, long sleeved blouse, a skirt and a wide brimmed hat. A girl holds a...
    • Rifle (Colo.)--1910-1920.; Girls--Colorado--Rifle--1910-1920.; Horseback riding--Colorado--Rifle--1910-1920.; Women--Colorado--Rifle--1910-1920.
    • 1914
    • Golden Circle Railroad tracks

    • View of a narrow gauge double slip switch on Golden Circle Railroad tracks in Goldfield (Teller County), Colorado. Shows a signal, Denver and Rio Grande Railroad freight cars on tracks, a log cabin, mine buildings and tailings, and utility poles on...
    • Golden Circle Railroad Company--1890-1900.; Goldfield (Colo.)--1890-1900.; Railroad freight cars--Colorado--Goldfield--1890-1900.; Railroad tracks--Colorado--Goldfield--1890-1900.
    • 1897
    • Mule Shoe bend looking N.E.

    • View of Denver and Rio Grande tracks on Dump Mountain on (Veta Pass) La Veta Pass in Huerfano County, Colorado. Shows a tent near a sharp curve in the track, identified as "mule shoe", a bridge, a dirt toll road, and a switch in the railroad tracks.
    • Denver and Rio Grande Railroad Company--1870-1890.; Dump Mountain (Colo.)--1870-1890.; Huerfano County (Colo.)--1870-1890.; Veta Pass (Colo.)--1870-1890.; Passes (Landforms)--Colorado--Huerfano County--1870-1890.; Railroads--Colorado--Huerfano...
    • [between 1877 and 1890?]
    • Promontory, Utah

    • View of Union Pacific Railroad and Central Pacific Railroad tracks, a switch and railroad signal at Promontory (Box Elder County), Utah. A man stands beside the tracks. Shows a railroad car on a Shoo-Fly (temporary track), telegraph poles, a United...
    • Central Pacific Railroad Company--1860-1870.; Union Pacific Railroad Company--1860-1870.; Promontory (Utah)--1860-1870.; Flags--American--1860-1870.; Railroad cars--Utah--Promontory--1860-1870.; Railroad signals--Utah--Promontory--1860-1870.;...
    • 1869
    • Gilpin Railroad

    • Men in overalls, boots and hats pose beside a Gilpin Railroad Company locomotive on narrow gauge tracks in Gilpin County, Colorado. Engineers pose in the cab. Shows a railroad switch and signal beside the tracks in the canyon.
    • Gilpin Railroad Company--1900-1920.; Gilpin County (Colo.)--1900-1920.; Railroad employees--Colorado--Gilpin County--1900-1920.; Railroad locomotives--Colorado--Gilpin County--1900-1920.
    • [between 1906 and 1911]
    • Turntable in switch back, Silverton Railway

    • View of a mountainside turntable on the Silverton Northern Railroad with two locomotives, a boxcar, and frame snow shed in San Juan County or La Plata County, Colorado.
    • Silverton Northern Railroad Company--1890-1910.; Turntables (Railroads)--Colorado--1890-1910.; Railroads--Colorado--1890-1910.; Snowsheds--Colorado--1890-1910.
    • [between 1895 and 1910?]
    • Hotel Monte Christo, Salida, Colo.

    • View of the three-story Hotel Monte Christo in Salida, Chaffee County, Colorado. The hotel is half-timbered frame building with a mansard roof, pendants, a central faceted tower, a balcony and a porch. A freight car, "C.R.S. Trust Series B, D.&...
    • Denver and Rio Grande Railroad Company--1880-1900.; Hotel Monte Christo (Salida, Colo.)--1880-1900.; Salida (Colo.)--1880-1900.; Hotels--Colorado--Salida--1880-1900.; Railroad freight cars--Colorado--Salida--1880-1900.; Railroad...
    • [between 1883 and 1900?]
    • Boyer valley, Ia., signal tower "G" near Dunlap

    • View of a Chicago & North Western Railway Company track and switch near Dunlap (Harrison County), Iowa. A man is in a wooden building that reads "G" near a tower and signal lights. Wooden rail fences and telegraph poles are beside cultivated...
    • Chicago and North Western Railway Company--1890-1900.; Harrison County (Iowa)--1890-1900.; Croplands--Iowa--Harrison County--1890-1900.; Railroad signal towers--Iowa--Harrison County--1890-1900.; Railroad switching--Iowa--Harrison...
    • [1898?]
    • The narrows, Cedar River, Iowa

    • View of an oxbow on the Cedar River and probably Chicago & North Western Railway Company tracks in probably Linn County, Iowa. Men stand on railroad tracks by a switch, signal, and a frame building. Tents are beside the river. A railroad trestle...
    • Chicago and North Western Railway Company--1890-1900.; Cedar River (Minn. and Iowa)--1890-1900.; Linn County (Iowa)--1890-1900.; Railroad signals--Iowa--Linn County--1890-1900.; Railroad switching--Iowa--Linn County--1890-1900.; Rivers--Iowa--Linn...
    • [1898?]
    • Big Tree Station, Santa Cruz

    • View of train tracks and train platform identified as Big Tree Station in Santa Cruz (Santa Cruz County), California. Shows railroad switch and large trees.
    • Santa Cruz (Calif.)--1870-1900.; Railroad stations--California--Santa Cruz--1870-1900.; Railroad switching--California--Santa Cruz--1870-1900.; Railroad tracks--California--Santa Cruz--1870-1900.; Trees--California--Santa Cruz--1870-1900.
    • [between 1870 and 1900?]
    • Big Tree Sta. near Santa Cruz, Cal.

    • View of train tracks and a train platform identified as Big Tree Station in Santa Cruz (Santa Cruz County), California. Shows a railroad switch and large trees.
    • Santa Cruz (Calif.)--1870-1900.; Railroad stations--California--Santa Cruz--1870-1900.; Railroad switching--California--Santa Cruz--1870-1900.; Railroad tracks--California--Santa Cruz--1870-1900.; Trees--California--Santa Cruz--1870-1900.
    • [between 1870 and 1900?]
    • St. Peter's Dome, Colorado

    • Panoramic view of tree-covered mountains and Colorado Springs & Cripple Creek District Railway tracks and a railroad switch in El Paso County, Colorado. Shows the granite summit of Saint Peters Dome, a steep wagon road, a tent, and a building...
    • Colorado Springs & Cripple Creek District Railway--1900-1910.; El Paso County (Colo.)--1900-1910.; Saint Peters Dome (Colo.)--1900-1910.; Dirt roads--Colorado--El Paso County--1900-1910.; Railroad switching--Colorado--El Paso County--1900-1910.;...
    • [1901?]
    • Mines in Eagle River Canon - D & R G R R

    • Men stand by Denver & Rio Grande Railroad tracks, a harp switch, and the Eagle River; mines dot cliffs of Battle Mountain near the town of Gilman, Eagle County, Colorado.
    • Denver and Rio Grande Railway Company--1880-1890.; Battle Mountain (Eagle County, Colo.)--1880-1890.; Eagle County (Colo.)--1880-1890.; Eagle River (Colo.)--1880-1890.; Cliffs--Colorado--Eagle County--1880-1890.; Mining--Colorado--Eagle...
    • [between 1880 and 1890?]
    • Switch Back near Central City, Col.

    • A railroad trestle crosses a gulch on the Colorado Central Railroad switchback between Central City and Blackhawk in Gilpin County, Colorado. The track continues to curve around the hillside in the distance. Shows two trains with locomotives "30"...
    • Gilpin County (Colo.)--1880-1900.; Railroads--Colorado--Gilpin County--1880-1900.; Trestles--Colorado--Gilpin County--1880-1900.
    • [between 1880 and 1900?]
    • General Electric Moisture Indicator

    • Men in suits and hats examine a machine identified as the General Electric Moisture Indicator in a room connected with the Carlton Tunnel in Teller County, Colorado. Signs hang on the wall and read: "This Plant is Making Material Essential to the...
    • Teller County (Colo.)--1940-1960.; Measuring--Colorado--Teller County--1940-1960.; Scientific equipment--Colorado--Teller County--1940-1960.
    • [between 1940 and 1955?]
    • W.P.C.D. tunnel at portal

    • Interior view of the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado. Shows tracks, pipes, wires and possibly a switch.
    • Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Hydraulic facilities--Colorado--Grand County--1940-1950.; Tunnels--Colorado--Grand County--1940-1950.
    • [between 1940 and 1947?]
    • Industries - construction - scene at Alameda subway

    • View of Alameda underpass construction in Denver, Colorado; shows excavation, a dog, men working, horses, and a building with letters: "The Call Automatic Switch Co."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Excavation--Colorado--Denver--1900-1910.; Horses--Colorado--Denver--1900-1910.
    • [1909 or 1910]
    • Industries construction construction at Alameda subway

    • View of the Alameda Avenue trolley car underpass construction site in Denver, Colorado. Workmen work near a tractor and crane. A sign on a nearby building reads: "The Call Automatic Switch Co. Inc."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Hoisting machinery--Colorado--Denver--1900-1910.;...
    • [1909]
    • Looking west down the Alameda subway

    • View, facing west, of the nearly completed Alameda Avenue trolley car underpass and railroad viaduct in Denver, Colorado. A sign on a nearby building reads: "The Call Automatic Switch Co."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Railroad bridges--Colorado--Denver--1900-1910.; Streets--Colorado--Denver--1900-1910.
    • [either 1909 or 1910]
    • Construction scene at the Alameda Avenue subway

    • View of Alameda Avenue underpass construction in Denver, Colorado; shows excavation, men working with a steam shovel, the railroad bridge, a handcar, and building with sign: "The Call Automatic Switch Company."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Railroad bridges--Colorado--Denver--1900-1910.; Steam...
    • [1909 or 1910]
    • Construction scene of the Alameda Avenue subway

    • View of Alameda Avenue underpass construction in Denver, Colorado; shows concrete forms, crane tracks, excavation, and men working. Building reads: "The Call Automatic Switch Company."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction--Colorado--Denver--1900-1910.
    • [1909 or 1910]
    • Construction of railroad bridge on W. Alameda Avenue

    • View of Alameda underpass construction in Denver, Colorado; shows excavation, horse, men, railroad tracks, and a business with sign: "The Call Automatic Switch Co."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction--Colorado--Denver--1900-1910.
    • [1909 or 1910]
    • Industries construction scene at Alameda subway

    • Shows workmen at the Alameda Avenue underpass construction site in Denver, Colorado. A McCabe and Steen steam shovel is nearby. A sign on a building reads: "The Call Automatic Switch Company [M]anufrs Of Hand Tower & Automatic Ry. Switches".
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction--Colorado--Denver--1900-1910.; Steam shovels--Colorado--Denver--1900-1910.
    • [1909]
    • Industries construction equipment scene near Alameda looking west

    • Workmen on horseback drive teams of horses toward the Alameda Avenue subway construction site in Denver, Colorado. Railroad tracks and a sign that reads: "The Call Automatic Switch Company" are nearby.
    • Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Horseback riding--Colorado--Denver--1900-1910.; Horses--Colorado--Denver--1900-1910.
    • [1909]
    • Industries construction scene during building Alameda subway

    • A workman drives a horse-drawn grader at the Alameda Avenue underpass construction site in Denver, Colorado. Another man stands nearby. A sign that reads: "The Call Automatic Switch Company" is on a nearby building.
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Graders (Earthmoving machinery)--Colorado--Denver--1900-1910.;...
    • [1909]
    • Industries construction scene at Alameda subway looking west

    • Workmen pose at the Alameda Avenue underpass construction site in Denver, Colorado. Other men use horse-drawn graders to level the ground nearby. A sign on a building in the distance reads: "The Call Automatic Switch Company".
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Graders (Earthmoving machinery)--Colorado--Denver--1900-1910.;...
    • [1909]
    • Industries construction

    • View of the Alameda Avenue underpass construction site in Denver, Colorado. A horse-drawn temporary railroad with side-dump cars is nearby. A sign on a nearby building reads: "The Call Automatic Switch [Co]".
    • Dump cars--Colorado--Denver--1900-1910.; Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction--Colorado--Denver--1900-1910.; Horse railroads--Colorado--Denver--1900-1910.
    • [1909]
    • Industries construction scene during work on Alameda subway

    • A workman uses a horse-drawn grader at the Alameda Avenue underpass construction site in Denver, Colorado. Other men stand nearby. A sign on a building in the distance reads: "The Call Automatic Switch Company".
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Graders (Earthmoving machinery)--Colorado--Denver--1900-1910.;...
    • [1909]
    • Industries construction scene during work on Alameda subway

    • Workmen load side-dump railcars on temporary railroad tracks at the Alameda Avenue underpass construction site in Denver, Colorado. A sign on a nearby building reads: "The Call Automatic Switch Co."
    • Dump cars--Colorado--Denver--1900-1910.; Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.
    • [1909]
    • Industries construction scene at Alameda subway

    • Workmen use horse drawn graders to level the ground at the Alameda Avenue underpass construction site in Denver, Colorado. Horse-drawn wagons and carts are nearby. A sign on a building in the distance reads: "The Call Automatic Switch Co."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Carts & wagons--Colorado--Denver--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Graders (Earthmoving...
    • [1909]
    • Industries - construction - Alameda subway with pile driver

    • View of Alameda Avenue underpass construction in Denver, Colorado; shows a crane, excavations, and a building with letters: "The Call Automatic Switch Company."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction--Colorado--Denver--1900-1910.; Excavation--Colorado--Denver--1900-1910.; Hoisting machinery--Colorado--Denver--1900-1910.
    • [1909 or 1910]
    • Industries - construction - overview  at Alameda

    • View of Alameda underpass construction in Denver, Colorado; shows excavation, the railroad bridge, horses, men, houses, and a building with sign: "The Call Automatic Switch Company."
    • Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Excavation--Colorado--Denver--1900-1910.
    • [between 1900 and 1910?]
    • Near Cascade safety switch

    • View of a residence in Cascade (El Paso County) Colorado; the house has a turret and covered porch. Boulders cover a hill in the background; a rock fence encloses the yard.
    • Cascade (El Paso County, Colo.)--1890-1920.; Houses--Colorado--Cascade--1890-1920.
    • [between 1890 and 1920?]
    • Near Cascade safety switch

    • View of a residence in Cascade (El Paso County) Colorado; the house has a turret and covered porch. Boulders cover a hill in the background; a rock fence encloses the yard.
    • Cascade (El Paso County, Colo.)--1890-1920.; Houses--Colorado--Cascade--1890-1920.
    • [between 1890 and 1920?]
    • Electronics instrument

    • Shows a boxed shaped electronic instrument with dials, a switch (?) and a light bulb.
    • Electronic apparatus & appliances--1890-1910.
    • [between 1890 and 1910]
    • Exchange equipment, operating room

    • A row of operators work at a switch board at the Mountain States Telephone and Telegraph Company exchange building in Fort Collins (Larimer County), Colorado. Plugs and cords are stretched over the work surface. The women sit on tall chairs and...
    • Mountain States Telephone and Telegraph Company--People--1910-1920.; Fort Collins (Colo.)--1910-1920.; Interiors--Colorado--Fort Collins--1910-1920.; Telephone companies--Colorado--Fort Collins--1910-1920.; Telephone operators--Colorado--Fort...
    • 1914
    • Switch back's [sic] Trail Ridge Road

    • View of Trail Ridge Road in Rocky Mountain National Park, Colorado. The dirt road on the side of a mountain has many switchbacks.
    • Rocky Mountain National Park (Colo.)--1930-1940.; National parks & reserves--Colorado--1930-1940.; Roads--Colorado--1930-1940.
    • [1930]
    • CZ westbound East switch Grand Valley

    • Denver and Rio Grande Western engine #601 pulls the California Zephyr westbound at the east switch in the Grand Valley, in Mesa County, Colorado.
    • Denver and Rio Grande Western Railroad Company--1940-1950.; California Zephyr (Express train)--1940-1950.; Mesa County (Colo.)--1940-1950.; Railroad locomotives--Colorado--Mesa County--1940-1950.; Railroad observation cars--Colorado--Mesa...
    • 1949 Mar. 14
    • Combined shelter & pump house

    • View of the spring house at the upper switch back of the Lariat Loop Road on the way to Lookout Mountain Park, a Denver Mountain Park located 17 miles west of Denver, Colorado. Shows two rock ashlar buildings and a water pump in front of a arched...
    • Denver Mountain Parks--1930-1950.; Denver (Colo.)--1930-1950.; Lookout Mountain Park (Denver, Colo.)--1930-1950.; Parks--Colorado--Denver--1930-1950.; Shelters--Colorado--Denver--1930-1950.; Water pumps--Colorado--Denver--1930-1950.;...
    • [between 1930 and 1950?]

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