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  • All fields: dredges
(78 results)



Display: 50

    • Gold dredge near Fairplay, Colo.

    • View of a hydraulic placer gold dredge built by the Yuba Manufacturing Company and located in Fairplay (Park County), Colorado.
    • Sanborn (Colo.)
    •  
    • South Platte dredge in South Park, Colo.

    • View of a hydraulic placer gold dredge built by the Yuba Manufacturing Company and located in Fairplay (Park County), Colorado.
    • Sanborn (Colo.)
    •  
    • Old dredge, at mouth of Swan River

    • View of a placer dredge at Valdora, Summit County, Colorado, in the Swan River. Gold miners pose on the Bucyrus-built hydraulic mine boat and processing plant.
    •  
    • 1905?
    • Breckenridge, Colo Reliance Gold Dredge

    • View of a Reliance Gold Dredging Company Bucyrus-built hydraulic placer gold bucket-line dredge in Swan River, French Gulch, Summit County, Colorado. Colorado School of Mines students and miners pose on the vessel.
    •  
    • 1906?
    • 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.
    •  
    • 1920
    • Derry gold dredge, Box creek, Leadville

    • Hydraulic placer gold mining dredge on Box Creek, near Leadville, Lake County, Colorado, sign reads: "Derry Dredge Built by New York Ent[erprises]. Shows several men on dredge owned by Empire Gold Dredging Company.
    •  
    • 1920
    • Old gold dredge near Tiger, Colo.

    • View of an abandoned gold dredge on probably the Swan River near Tiger (Summit County), Colorado. Tailings piles are nearby.
    • Fick, William L.
    • 1940
    • Gold dredge, Fairplay

    • Hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Fisher, Theodore.
    • 1942
    • Gold dredge, Fairplay

    • A conveyor belt moves buckets of rocks on a hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Fisher, Theodore.
    • 1942
    • Construction of 14th St. viaduct, Denver, Col

    • View of 14th (Fourteenth) Street viaduct construction in Denver, Colorado; shows a hydraulic dredge, a Colorado Midland railroad flatcar, the South Platte River, and signs: "Urie Dredge Denver Grading Co."
    •  
    • [1868?]
    • Miners inside a gold mine pit

    • Miners use shovels and picks in a sluice and operate a crane on a hydraulic placer gold mining dredge, Park County, Colorado. Pipes run down the wall into the pit.
    •  
    • [1900?]
    • Gold dredging

    • Hydraulic placer gold mining dredge, possibly in Summit County, Colorado. Shows conveyor buckets on front of dredge used to dig gravel.
    •  
    • [1900?]
    • Gold Pan pit

    • Gold Pan mine pit, Breckenridge, Summit County, Colorado shows: dredge, flume, pipe support structure, and ore conveyor.
    •  
    • [1900?]
    • Hydraulic dredges

    • Two hydraulic placer gold mining dredges (probably the Eleanor Dredges, east of Golden), Colorado. A solitary man poses nearby.
    •  
    • [1900?]
    • The dredge, Fairplay, Colo.

    • Hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Sanborn (Colo.)
    • [1930?]
    • The dredge

    • Three men scull a dingy away from a hydraulic placer gold mining dredge, possibly in Park County, Colorado.
    • Sanborn (Colo.)
    • [1930?]
    • The dredge, Fairplay, Colo.

    • Hydraulic placer gold mining dredge with shed and equipment, Fairplay, Park County, Colorado.
    • Sanborn (Colo.)
    • [1930?]
    • Timberline Dredging operation Alma, Colo.

    • View of a crane and the Timberline Dredge on the South Platte River near Alma (Park County), Colorado. The covered digging arm extends out over the water. A sign on the dredge reads: "Timberline Dredging Co. Dredge No 2 [...]".
    • Fick, William L.
    • [1940]
    • Timberline Dredge Alma, Colo.

    • View of the Timberline Dredge on the South Platte River near Alma (Park County), Colorado. The covered digging arm extends out over the water.
    • Fick, William L.
    • [1940]
    • Dredge

    • Two well-dressed women and a man stand next to a hydraulic placer gold mining dredge, possibly in Clear Creek or Jefferson County, Colorado.
    •  
    • [between 1870 and 1890?]
    • Gold dredge near Golden, Colorado

    • Two well-dressed women and a man stand on the shore of a pond, west of what is now McIntyre Street, overlooking a hydraulic placer gold mining dredge southeast of North Table Mountain in Jefferson County, Colorado.
    •  
    • [between 1870 and 1890?]
    • Dredging

    • Two well-dressed women and a man pose on the shore in front of a hydraulic placer gold mining dredge, possibly in Clear Creek or Jefferson County, Colorado.
    •  
    • [between 1870 and 1890?]
    • Boiler for the first dredge that went into Warren, Idaho

    • Men pose around a wagon carrying a boiler tank in Warren, Idaho County, Idaho. They wear suits, and slouch or planter hats. A team of eight horses in harness pull the conveyance.
    • Roberts, Georg H.
    • [between 1880 and 1890?]
    • North A. M. Gold Dredging Co

    • View of North American Gold Dredging Company placer mining operations in Summit County, Colorado; shows a hydraulic elevator and pond. Men take samples with a churn drill; lettering reads: "Keystone Driller Co."
    •  
    • [between 1898 and 1902?]
    • The Colo. Gold Dredging Co. on the D.& R.G.R.R. at Russell Colo.

    • View of workmen on a Colorado Gold Dredging Company hydraulic placer gold mining dredge near Russell (Costilla County) Veta Pass (La Veta Pass), Colorado. Shows men in suits near workmen, construction tools, barrels, railroad ties and planks.
    • Hildreth.
    • [between 1900 and 1910?]
    • Junction of Gray Back Placer & Middle Creek Placer Colo.

    • View of the Grayback Mining District, Costilla County, Colorado; shows meadows, forest, and hills. A covered wagon and a man on horseback are by the creek bottom; embankments in the background have erosion from hydraulic gold dredges.
    • Davis, O. T.
    • [between 1900 and 1910?]
    • Placer mining near Russel [sic], La Veta Pass

    • Men in suits, one woman and workmen stand on top of, in windows and beside a Colorado Gold Dredging Company hydraulic placer gold mining dredge near Russell (Costilla County), Veta Pass (La Veta Pass), Colorado. Shows an American flag on a flagpole.
    • Hildreth.
    • [between 1900 and 1910?]
    • The Colo. Gold Dredging Co. on the D.& R.G.R.R. at Russell, Colo.

    • Men in suits, one woman and workmen stand on top of and beside a Colorado Gold Dredging Company hydraulic placer gold mining dredge near Russell, Veta Pass (La Veta Pass), Colorado. Shows an American flag on a flagpole.
    • Hildreth.
    • [between 1900 and 1910?]
    • 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.
    •  
    • [between 1900 and 1920?]
    • Construction scene

    • Workmen stand by horse-drawn dredges near the edge of Archer Canal in Denver, Colorado. Charles S. Lillybridge's house and studio is in the distance.
    • Lillybridge, Charles S., 1849-1935.
    • [between 1904 and 1915]
    • Reliance Dredge, French Gulch

    • View of Revett's Reliance Gold Mining Company Bucyrus-built hydraulic bucket-line dredging boat, in Breckenridge, Summit County, Colorado. Miners pose on the decks and by the placer processing plant; snow covers mountains in the background.
    •  
    • [between 1905 and 1913?]
    • 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.
    • Westerman, Otto.
    • [between 1909 and 1913?]
    • Derry gold dredge by Twin Peaks

    • Workmen stand on and near the Derry Dredge, Empire Gold Dredging Company's hydraulic placer bucket-line vessel, near Leadville (Lake County), Colorado.
    • Read, A. C.
    • [between 1915 and 1926]
    • Mining dredge

    • A man stands near the Derry Dredge, Empire Gold Dredging Company's hydraulic placer bucket-line vessel, near Leadville (Lake County), Colorado.
    • Read, A. C.
    • [between 1915 and 1926]
    • Gold dredge, Breckenridge, Colo

    • View of the Blue River Placer Mining Company (or Continental Mining Company) bucket-line dredging boat, in Breckenridge, Summit County, Colorado. The covered stacker of the hydraulic mine and processing plant extends over tailing piles; a person is...
    •  
    • [between 1917 and 1938?]
    • Gold dredge in Summit County, Colorado

    • View of a Blue River Placer Mining Company hydraulic placer bucket-line dredge, in the Blue River, Summit County, Colorado. The gold mining vessel and processing plant has a covered stacker extending over tailing piles; mountains are in the...
    •  
    • [between 1920 and 1925?]

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