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  • All fields: Nozzles.
(12 results)



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    • Denver Municipal Facts: Volume 2 Number 23, 1910 June 4

    • 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.
    • 19100604
    • U.S. Gold Placers, no. 30

    • View of a hydraulic monitor nozzle at a U.S. Gold Placers mining site near the San Miguel River in Montrose or San Miguel County, Colorado. A water pipe is on a hillside in the distance.
    • United States Gold Placers, Ltd.--1880-1890.; Gold mining.; Hydraulic mining.; Nozzles.
    •  
    • Giants at work, U.S.G.P. no. 28

    • View of a U.S. Gold Placers mining site beside the San Miguel River in Montrose or San Miguel County, Colorado. Two hydraulic monitor nozzles are used to wash gravel from the soil. A water pipeline feeds the nozzles. The pipe rests in wooden...
    • United States Gold Placers, Ltd.--1880-1890.; San Miguel River (Colo.)--1880-1890.; Gold mining.; Hydraulic mining.; Rivers.; Nozzles.
    •  
    • Hydraulic mine near Leadville, Colo.

    • View of an unidentified hydraulic mine near Leadville in Lake County, Colorado. Miners direct monitor nozzles to excavate and wash gravel from the ground. A tipple is in the distance.
    • Lake County (Colo.)--1880-1900.; Hydraulic mining.; Miners.; Tipples.; Nozzles.
    •  
    • Hydraulic mine near Leadville, Colo.

    • View of an unidentified hydraulic mine near Leadville in Lake County, Colorado. A miner directs a monitor nozzle to excavate and wash gravel from the ground. Shows a metal pipe attached to the nozzle. Mountains are in the distance.
    • Lake County (Colo.)--1880-1900.; Hydraulic mining.; Miners.; Nozzles.
    •  
    • Denver Municipal Facts: Volume 1 Number 3, 1909 March 6

    • 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.
    • 19090306
    • 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
    • Colorado City, Hose Co. No. 1

    • Colorado City Hose Company No. 1 poses outside their false front fire station, El Paso County, Colorado. The firefighters include boys and men of various ages holding the rope of their hosecart with decorated wheels and fire hose nozzles.
    • Colorado City (Colo.)--1870-1900.; Fire fighters--Colorado--Colorado City--1870-1900.
    • [between 1870 and 1900?]
    • Hydraulic Mining

    • View of placer mining operations in probably Alder Gulch (Madison County), Montana. Men spray water at an embankment with monitor nozzles.
    • Alder Gulch (Madison County, Mont.)--1880-1900.; Madison County (Mont.)--1880-1900.; Gold mining--Montana--Madison County--1880-1900.; Hydraulic mining--Montana--Madison County--1880-1900.; Miners--Montana--Madison County--1880-1900.;...
    • [between 1880 and 1900?]
    • Keystone placer mine giant at work

    • View of mining operations at the Keystone Mine in San Miguel County, Colorado. Shows sluice boxes and a large pipe with hydraulic nozzles.
    • Keystone Mine (San Miguel County, Colo.)--1880-1900.; San Miguel County (Colo.)--1880-1900.; Flumes--Colorado--San Miguel County--1880-1900.; Hydraulic mining--Colorado--San Miguel County--1880-1900.; Mining--Colorado--San Miguel County--1880-1900.
    • [between 1882 and 1900?]
    • Metropolitan Steamer, purchased Nov. 1898

    • Side view of an antique steam fire wagon, Colorado Springs, El Paso County, Colorado, shows a fireman with a helmet in driver's seat, pinstriped wheels, coupling hoses on racks, brass tank, pumps and nozzles.
    • Colorado Springs (Colo.)--1950-1960.; Fire engines & equipment--Colorado--Colorado Springs--1950- 1960.; Fire fighters--Colorado--Colorado Springs--1950-1960.
    • August 1952

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