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  • All fields: operating
(3937 results)



Display: 50

    • Belcher Mine near Silverton

    • A group of miners stands in front of the Belcher Mine near Silverton in San Juan County, Colorado. Three more men stand at the top of the mine. A group of pack burros stands on the ridge in the right midground.
    • Belcher Mine (San Juan County, Colo.)--1870-1900.; San Juan County (Colo.)--1870-1900.; Donkeys--Colorado--San Juan County--1870-1900.; Miners--Colorado--San Juan County--1870-1900.; Mining--Colorado--San Juan County--1870-1900.
    • [between 1875 and 1900?]
    • North Capitol Hill neighborhood

    • Report describing significant architectural and historical landmarks in the North Capitol Hill neighborhood. Includes maps, photographs, demographic information and extensive histories of people and buildings.
    • Historic districts--Colorado--Denver.
    • 1995
    • Camp at the crossing of the Colorado

    • Members of the survey crew pose at a camp site beside the Colorado River in probably Mohave County (later Grand Canyon National Park), Arizona. Men have full beards and wear wide brimmed hats, and sit beside a canvas tent. Shows a rifle, probably...
    • Colorado River (Colo.-Mexico)--1870-1880.; Grand Canyon (Ariz.)--1870-1880.; Mohave County (Ariz.)--1870-1880.; Camping--Arizona--Mohave County--1870-1880.; Expeditions & surveys--Arizona--Mohave County--1870-1880.; Rivers--Arizona--Mohave...
    •  
    • Industries - construction  equipment - upright steam engines operating pump

    • View of Alameda Avenue construction in Denver, Colorado; shows boilers and the wooden bridge over the South Platte River.
    • Denver (Colo.)--1900-1910.; Bridges--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Streets--Colorado--Denver--1900-1910.
    • [1909 or 1910]
    • Katherine Buckwalter camp at Windy Gap

    • View of an encampment at Windy Gap (Grand County), Colorado; shows an automobile, a dog, and Katherine Buckwalter operating radio equipment.
    • Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Women--Colorado--Grand County--1920-1930.; Buckwalter, Katherine, 1882-1969.
    • 1922 August 20
    • Windy Gap

    • View of the Buckwalter encampment at Windy Gap (Grand County), Colorado; shows Katherine Buckwalter operating radio equipment. A dog looks into the speaker.
    • Grand County (Colo.)--1920-1930.; Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Buckwalter, Katherine, 1882-1969.
    • 1922, August 19-27
    • Windy Gap

    • View of the Buckwalter encampment at Windy Gap (Grand County), Colorado; shows Katherine Buckwalter operating radio equipment. A dog looks into the speaker.
    • Grand County (Colo.)--1920-1930.; Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Dogs--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Buckwalter, Katherine, 1882-1969.
    • 1922 August 19-27
    • Windy Gap

    • View of the Buckwalter encampment at Windy Gap (Grand County), Colorado; shows Katherine Buckwalter operating radio equipment. A dog looks into the speaker.
    • Grand County (Colo.)--1920-1930.; Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Dogs--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Buckwalter, Katherine, 1882-1969.
    • 1922 August 19-27
    • Windy Gap

    • View of the Buckwalter encampment at Windy Gap (Grand County), Colorado; shows Katherine Buckwalter operating radio equipment. A dog looks into the speaker.
    • Grand County (Colo.)--1920-1930.; Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Dogs--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Buckwalter, Katherine, 1882-1969.
    • 1922, August 19-27
    • Windy Gap

    • View of the Buckwalter encampment at Windy Gap (Grand County), Colorado; shows Harry Buckwalter operating radio equipment. A dog looks into the speaker.
    • Grand County (Colo.)--1920-1930.; Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Dogs--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Buckwalter, Harry H.
    • 1922, August 19-27
    • Windy Gap

    • View of the Buckwalter encampment at Windy Gap (Grand County), Colorado; shows Katherine Buckwalter operating radio equipment by a canvas shelter.
    • Grand County (Colo.)--1920-1930.; Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Women--Colorado--Grand County--1920-1930.; Buckwalter, Katherine, 1882-1969.
    • 1922, August 19-27
    • Windy Gap

    • View of the Buckwalter encampment at Windy Gap (Grand County), Colorado; shows Katherine Buckwalter operating radio equipment.
    • Grand County (Colo.)--1920-1930.; Windy Gap (Grand County, Colo.)--1920-1930.; Camping--Colorado--Grand County--1920-1930.; Radios--Colorado--Grand County--1920-1930.; Women--Colorado--Grand County--1920-1930.; Buckwalter, Katherine, 1882-1969.
    • 1922, August 19-27
    • Operating room

    • Operators work at a bank of switchboards that line three walls in the Mountain State Telephone and Telegraph exchange building in Pueblo (Pueblo County), Colorado. Wires and plugs crisscross the switchboard panels. A supervisor sits at a desk in...
    • Mountain States Telephone and Telegraph Company--People--1910-1920.; Pueblo (Colo.)--1910-1920.; Interiors--Colorado--Pueblo--1910-1920.; Telephone companies--Colorado--Pueblo--1910-1920.; Telephone operators--Colorado--Pueblo--1910-1920.;...
    • 1914
    • 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
    • Denver exchange equipment, York office, operating room

    • Rows of operators sit at switchboards that line two walls of the Mountain States Telephone and Telegraph Company exchange building on York Street in Denver, Colorado. The women wear headsets and sit in tall chairs that face the switchboard....
    • Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.;...
    • 1916
    • Durango exchange equipment, operating room

    • Telephone switchboards line a wall of the Mountain States Telephone and Telegraph Company exchange building in Durango (La Plata County), Colorado. Cords are strung across the switchboard and numbers identify each work station. A supervisors desk...
    • Mountain States Telephone and Telegraph Company--Facilities--1910-1920.; Durango (Colo.)--1910-1920.; Interiors--Colorado--Durango--1910-1920.; Telephone companies--Colorado--Durango--1910-1920.; Telephone switchboards--Colorado--Durango--1910-1920.
    • 1915
    • Denver exchange equipment, main, 1421 Champa, operating room

    • Operators work at switchboards at the Mountain States Telephone and Telegraph Company exchange at 1421 Champa Street, Denver, Colorado. The women wear headsets and sit in tall chairs that face the switchboard. Each work station is identified by a...
    • Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.; Telephone...
    • 1915
    • Colorado Springs, exchange equipment, operating room

    • Operators work at switchboards in the Mountain States Telephone and Telegraph Company exchange building in Colorado Springs (El Paso County), Colorado. The women wear headsets and sit in tall chairs that face their work stations. Cords are strung...
    • Mountain States Telephone and Telegraph Company--People--1910-1920.; Colorado Springs (Colo.)--1910-1920.; Telephone companies--Colorado--Colorado Springs--1910-1920.; Telephone operators--Colorado--Colorado Springs--1910-1920.; Telephone...
    • 1915
    • Denver exchange equipment, south office, 25 W. Bayaud St., operating room

    • Operators work at switchboards at the Mountain States Telephone and Telegraph exchange building at 25 West Bayaud Street in the Baker Neighborhood of Denver, Colorado. The women wear headsets and sit in tall chairs that face the switchboard. Cords...
    • Mountain States Telephone and Telegraph Company--1910-1920.; Denver (Colo.)--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.; Telephone switchboard--Colorado--Denver--1910-1920.
    • 1914
    • Westside Neighborhood Plan

    • Addition to Denver City's plan for the development of the Westside project
    • Urban renewal--Colorado--Denver--History--Sources.; Urban policy--Colorado--Denver.; Land use, Urban--Colorado--Denver.; City planning--Colorado.
    • 1982

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