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  • All fields: Filtering
(13 results)



Display: 50

    • Filtering beds, Greeley Waterworks, Pleasant Valley

    • Bird's eye view of Greeley Waterworks' filtering beds in Pleasant Valley near Greeley, Colorado; horsedrawn carriages near irrigation canal, two men working in one dry filtering bed, other filtering bed filled with water; metal bridge crossing...
    • Pleasant Valley (Weld County, Colo.)--1900-1910.; Weld County (Colo.)--1900-1910.; Bridges--Colorado--Weld County--1900-1910.; Carriages & coaches--Colorado--Weld County--1900-1910.; Waterworks--Colorado--Weld County--1900-1910.; Greeley Waterworks...
    • [between 1900 and 1910]
    • East High spotlight: vol 28 no 13

    • 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 March 26
    • History of Denver

    • Comprehenisve study of the history of the Denver area before, during, and after the founding of the city.
    • Cities and towns--Colorado--Denver.
    • 1901
    • Filtering plant D. U. Water Co.

    • View of the Denver Union Water Company's filtering plant in Colorado.
    • Waterworks--Colorado--1900-1910.; Denver Union Water Company (Denver, Colo.)--1900-1910.
    • [either 1905 or 1906]
    • Denver Municipal Water Board's buildings at Waterton, train at left

    • View of waterworks buildings at Waterton (Jefferson County), Colorado. Shows water filtering ponds, a pump building, and a tall smokestack.
    • Waterton (Colo.)--1920-1930.; Pumping stations--Colorado--Denver--1920-1930.; Reservoirs--Colorado--Denver--1920-1930.; Waterworks--Colorado--Denver--1920-1930.
    • 1929 January
    • Entrance to Overland Auto Camp

    • View of the entrance to Overland Park (originally known as Jewell Park), used as a racetrack and airstrip, in the City and County of Denver, Colorado. Features of entrance: twin towers with clapboard siding and hipped, tile roofs that support a...
    • Denver (Colo.)--1920-1930.; Overland Park (Denver, Colo.)--1920-1930.; Automobile service stations--Colorado--Denver--1920-1930.; Gates--Colorado--Denver--1920-1930.; Parks--Colorado--Denver--1920-1930.
    •  
    • Municipal Facts: Volume 3 Numbers 2 and 3, 1920 February-March

    • 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.
    • 1920 February-March
    • Water filtering plant

    • Interior view of a water department facility in (probably) Denver, Colorado; gauges read: "Rate of Filtration Million Gallons Per Day" and "Loss of Head Feet." Catwalks are in the background.
    • Denver (Colo.)--1920-1930.; Interiors--Colorado--Denver--1920-1930.; Public utility companies--Colorado--Denver--1920-1930.; Waterworks--Colorado--Denver--1920-1930.
    • 1925 July 31
    • Vacuum tanks sluices filtering Burkhardt

    • Burkhardt sits on a beam that straddles a sluice that holds water near vacuum tanks in the Golden Cycle Mill in El Paso County, Colorado.
    • Golden Cycle Corporation--1930-1940.; Sluices--Colorado--El Paso County--1930-1940.; Interiors--Colorado--El Paso County--1930-1940.; Mining--Colorado--El Paso County--1930-1940.; Smelters--Colorado--El Paso County--1930-1940.
    • 1932, August 2

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