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  • All fields: tracklayer
(9 results)



Display: 50

    • Two sixtys pulling 16 rows of Dempster cultivators

    • Caterpillar tracklayer tractors pull disk cultivators through rows of young corn.
    • Agricultural machinery & implements--Colorado--1930-1940.; Corn--Colorado--1930-1940.; Farming--Colorado--1930-1940.
    •  
    • The open pit at Climax mine near Leadville, Colorado.

    • View of an open pit Molybdenum mine near Leadville, Lake County, Colorado; mining machinery includes a scoop-crane, a dump truck, a tracklayer tractor, and a truck.
    • Climax Mine (Lake County, Colo.)--1940-1970.; Leadville (Colo.)--1940-1970.; Dump trucks--Colorado--Leadville--1940-1970.; Hoisting machinery--Colorado--Leadville--1940-1970.; Mining--Colorado--Leadville--1940-1970.
    • [between 1940 and 1970?]
    • Tractor cleaning up street in front of power house note high water line more than 10 ft. above the...

    • A man sits on a small tracklayer (crawler) tractor that pulls a shovel with wheels in the mud covered street in front of the power house, after the Arkansas River flood in Pueblo, Colorado. A high water line is visible on the brick wall of the...
    • Pueblo (Colo.)--1920-1930.; Floods--Colorado--Pueblo--1920-1930.; Laborers--Colorado--Pueblo--1920-1930.; Mud--Colorado--Pueblo--1920-1930.; Street cleaning--Colorado--Pueblo--1920-1930.; Tractors--American--Colorado--Pueblo--1920-1930.
    • [1921 June]
    • Man on tractor

    • A man rides a "John Deere" tracklayer tractor in a Colorado field; clouds and Front Range mountains are in the distance.
    • Farming--Colorado--1940-1950.; Tractors--Colorado--1940-1950.
    • [between 1940 and 1950?]
    • Ruby Canyon - tracklayer

    • Denver and Rio Grande Western Railroad construction in Ruby Canyon, (probably) Utah, consists of men laying track over a concrete bridge, using a rail-adapted crane. Sandstone cliffs are in the background.
    • Denver and Rio Grande Western Railroad Company--1920-1930.; Ruby Canyon (Colo. and Utah)--1920-1930.; Hoisting machinery--Utah--1920-1930.; Railroad bridges--Utah--1920-1930.; Railroad construction & maintenance--Utah--1920-1930.; Railroad...
    • August, 1927
    • Pre-1963 Colorado mining fatalities

    • An alphabetical listing of people who were killed in mining accidents in Colorado from 1884, when state legislation first required mining companies to report their accidents, through 1962.
    • Mine accidents--Colorado. ; Registers of births, etc.--Colorado. ; Colorado--Vital records.
    • 1995
    • Tracklayer on the Moffat RR extension from Steamboat Springs to Craig, Colo

    • View of Denver and Salt Lake Railroad construction near Hayden (Routt County), Colorado. Men work with track, ties, and hoists on a work car.
    • Denver and Salt Lake Railroad Company--1910-1920.; Routt County (Colo.)--1910-1920.; Hoisting machinery--Colorado--Routt County--1910-1920.; Railroad construction & maintenance--Colorado--Routt County--1910-1920.; Railroad construction...
    • 1913 Summer

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