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  • All fields: gantry
(17 results)



Display: 50

    • D&RGW

    • D&RGW

    • Railroad workers use a fixed gantry crane to transfer stacks of lumber between narrow gauge flat cars, and a standard gauge gondola car in the railroad yard at Alamosa (Alamosa County), Colorado. Cables are used to hoist the bundled lumber between...

    • Denver and Rio Grande Western Railroad Company--1940-1950.; Gantry cranes--Colorado--Alamosa--1940-1950.; Alamosa County (Colo.)--1940-1950.; Hoisting machinery--Colorado--Alamosa--1940-1950.; Lumber--Colorado--Alamosa--1940-1950.; Railroad freight...

    • 1949 October
    • Tonopah Placer Co dredge on Blue River below Breckenridge Colo

    • Tonopah Placer Co dredge on Blue River below Breckenridge Colo

    • View of a Tonopah Placer Company placer gold dredge in Breckenridge, Summit County, Colorado. Men pose by the hydraulic mine operation; a United States flag tops the tern gantry.

    • Gold dredging--Breckenridge--1910-1920.; Mining machinery--Breckenridge--1910-1920.; Blue River (Colo. : River)--1910-1920.; Breckenridge (Colo.)--1910-1920.; Hydraulic mining--Colorado--Breckenridge--1910-1920.;...

    • June 30, 1917
    • Reiling Dredge

    • Reiling Dredge

    • View of the French Gulch Dredging Company's Reiling Dredge, in Breckenridge, Summit County, Colorado. The Bucyrus-built hydraulic placer gold mine and processing boat has a continuous bucket-line and a covered stacker. A miner is on the gantry.

    • Dredges--Colorado--Breckenridge--1920-1930.; Mining machinery--Colorado--Breckenridge--1920-1930.; Breckenridge (Colo.)--1920-1930.; Gold mining--Colorado--Breckenridge--1920-1930.; Hydraulic mining--Colorado--Breckenridge--1920-1930.;...

    • 1920
    • Dredges in Swan River Valley capacity of 8000 yds of gold bearing gravel daily

    • Dredges in Swan River Valley capacity of 8000 yds of gold bearing gravel daily

    • Hydraulic placer gold dredge, in Summit County, Colorado; shows the gantry, tail sluices, processing sheds, and the stacker extending over mine tailing piles. Hills are in the background.

    • Dredges--Colorado--Summit County--1890-1910.; Mining machinery--Colorado--Summit County--1890-1910.; Summit County (Colo.)--1890-1910.; Gold mining--Colorado--Summit County--1890-1910.; Hydraulic mining--Colorado--Summit County--1890-1910.;...

    • [between 1890 and 1910?]
    • French Gulch dredge

    • French Gulch dredge

    • Hydraulic placer gold mining dredge remains in French Gulch, Breckenridge, Summit County, Colorado, consist of the hull and gantry; tailing piles edge the water.

    • Tailings embankments--Colorado--Breckenridge--1980-1990.; Breckenridge (Colo.)--1980-1990.; French Gulch (Summit County, Colo.)--1980-1990.; Gold mining--Colorado--Breckenridge--1980-1990.; Hydraulic mining--Colorado--Breckenridge--1980-1990.;...

    • 1981
    • French Gulch dredge

    • French Gulch dredge

    • Hydraulic placer gold mining dredge remains in French Gulch, Breckenridge, Summit County, Colorado, consist of the hull, gantry, deck house, and pipe sections; tailing piles edge the water.

    • Tailings embankments--Colorado--Breckenridge--1980-1990.; Breckenridge (Colo.)--1980-1990.; French Gulch (Summit County, Colo.)--1980-1990.; Gold mining--Colorado--Breckenridge--1980-1990.; Hydraulic mining--Colorado--Breckenridge--1980-1990.;...

    • 1981
    • French Gulch dredge

    • French Gulch dredge

    • Hydraulic placer gold mining dredge remains in French Gulch, Breckenridge, Summit County, Colorado, consist of the hull, gantry, and deck house; tailing piles edge the water.

    • Tailings embankments--Colorado--Breckenridge--1980-1990.; Breckenridge (Colo.)--1980-1990.; French Gulch (Summit County, Colo.)--1980-1990.; Gold mining--Colorado--Breckenridge--1980-1990.; Hydraulic mining--Colorado--Breckenridge--1980-1990.;...

    • 1981
    • Dredge

    • Dredge

    • View of the Reliance Gold Dredging Company's bucket-line hydraulic placer gold mining boat, in Summit County, Colorado. Miners pose on the gantry, decks, and elevator.

    • Dredges--Colorado--Summit County--1900-1920.; Mining machinery--Colorado--Summit County--1900-1920.; Summit County (Colo.)--1900-1920.; Gold mining--Colorado--Summit County--1900-1920.; Hydraulic mining--Colorado--Summit County--1900-1920.;...

    • [between 1909 and 1913?]
    • French Gulch dredge

    • French Gulch dredge

    • Hydraulic placer gold mining dredge remains in French Gulch, Breckenridge, Summit County, Colorado, consist of the hull, gantry, and deck house; people are on tailing piles by the water.

    • Tailings embankments--Colorado--Breckenridge--1980-1990.; Breckenridge (Colo.)--1980-1990.; French Gulch (Summit County, Colo.)--1980-1990.; Abandoned buildings--Colorado--Breckenridge--1980-1990.; Gold mining--Colorado--Breckenridge--1980-1990.;...

    • 1981
    • First dredge in Idaho City

    • First dredge in Idaho City

    • Miners pose on a hydraulic placer gold bucket-line dredge, in Idaho City, Boise County, Idaho; a United States flag tops the gantry, over pulleys.

    • Dredges--Idaho--Idaho City--1900-1920.; Mining machinery--Idaho--Idaho City--1900-1920.; Idaho City (Idaho)--1900-1920.; Gold mining--Idaho--Idaho City--1900-1920.; Hydraulic mining--Idaho--Idaho City--1900-1920.; Miners--Idaho--Idaho...

    • [between 1900 and 1920?]
    • D&RGW Monte Vista train leaving Alamosa, Colo. D&RGW (2-8-0) 1157.

    • D&RGW Monte Vista train leaving Alamosa, Colo. D&RGW (2-8-0) 1157.

    • Denver and Rio Grande Western Railroad Company locomotive 1157 (2-8-0) vents smoke in the rail yard in Alamosa (Alamosa County), Colorado. The consist includes box cars. A gantry crane is to the side.

    • Denver and Rio Grande Western Railroad Company--1950-1960.; Alamosa (Colo.)--1950-1960.; Railroad locomotives--Colorado--Alamosa--1950-1960.; Railroads--Colorado--Alamosa--1950-1960.

    • 1952 December 26
    • WWI Colorado Draft Registration Cards

    • WWI Colorado Draft Registration Cards

    • Index to the World War I Draft Registration Cards for Colorado between the years of 1917-1918. During World War I there were three registrations. The first, on June 5, 1917, was for all men between the ages of 21 and 31. These men were born...

    • World War, 1914-1918--Colorado.; Colorado--Genealogy--Sources.; Denver (Colo.)--History, Military.; United States. Selective Service System--Sources.; United States. Army--Recruiting, enlistment, etc.--World War, 1914-1918.; United States....

    • 2005

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