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  • All fields: dredge
(145 results)



Display: 50

    • 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 dredge near Fairplay, Colo.

    • Abandoned hydraulic placer gold mining dredge on the frozen South Platte River near Fairplay, Park County, Colorado.
    • Rocky Mountain Photo Company.
    • January 1929
    • Mine dredge for gold

    • Hydraulic placer gold mining dredge in pond with mine tailings, Dillon, Summit County, Colorado.
    • Rocky Mountain Photo Company.
    • July 29, 1924
    • Dredge at Breckenridge, Colo

    • Royal Tiger Mining Company placer gold dredge in Breckenridge, Summit County, Colorado; lettering on the treatment plant reads: "Tiger Placers Co. Dredge No. 1." The stacker extends over hydraulic mine tailings; buildings and mountains are in the...
    •  
    • [between 1933 and 1935?]
    • Last dredge in Breckenridge was raised and operated for a short time

    • View of a Royal Tiger Mining Company hydraulic placer gold dredge in Breckenridge, Summit County, Colorado; lettering on the treatment plant reads: "Tiger Dredge No. 1." The bucket-line and stacker extend from the half-submerged vessel; houses,...
    •  
    • [between 1937 and 1939?]
    • 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?
    • Gold mining dredge, Cripple Creek Alaska

    • Hydraulic placer gold mining dredge, known as Dredge #10. Built by the Fairbanks Exploration Company (a subsidiary of the U.S. Smelting, Refining & Mining Co.) in 1940.
    •  
    • June 22, 1950
    • Water supply ditch, So. Platte Dr. Co.

    • View of a ditch that leads to the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Parker County). Gravel tailing piles are nearby and mountains are in the distance. Shows part of the dredge.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • View of the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. Shows dredge equipment, tailing piles, and hose.
    • Zellers, Bob.
    • [between 1930 and 1950?]
    • 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]
    • Gold dredging

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

    • Hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Fisher, Theodore.
    • 1942
    • Placer project Alma, Colo.

    • View of the path of a dredge near Alma (Park County), Colorado. The digging arm of a dredge is in the distance.
    • Fick, William L.
    • [1940]
    • Gold dredge, Fairplay

    • A conveyor belt moves buckets of rocks on a hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Fisher, Theodore.
    • 1942
    • 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.)
    •  
    • Dredge

    • View of an operational dredge at a placer mine in Colorado.
    • Buckwalter, Harry H.
    • [between 1920 and 1925?]
    • Dredge

    • View of an operational dredge at a placer mine in Colorado. Houses and utility buildings are nearby.
    • Buckwalter, Harry H.
    • [between 1920 and 1925?]
    • 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.)
    •  
    • 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]
    • Site of Arapahoe Bar, remains of gold dredge used about 1903-1905

    • View of wooden gates in Clear Creek of Arapahoe City, (Arapahoe, Arapahoe Bar), named for the Arapaho Indians; a pioneer placer mining camp considered the earliest town in Jefferson County, Colorado, organized in 1858; dredge used in 1904-1905;...
    • Milligan, Edward William, 1869-
    • July 1928
    • Cooley Bros. dredge, gen. view dragline

    • View of a dragline crane and bucket at a hydraulic mining site on probably Beaver Creek in Park County, Colorado. Shows parked automobile, gabled buildings, dredge facilities, wooden sheds and water.
    • Zellers, Bob.
    • [between 1935 and 1945?]
    • Cooley Bros. Dredge, Gen. view

    • View of a dragline crane, a dredge, gabled buildings and mountains on probably Beaver Creek in Park County, Colorado.
    • Zellers, Bob.
    • [between 1935 and 1950?]
    • The dredge, Fairplay, Colo.

    • Hydraulic placer gold mining dredge with shed and equipment, Fairplay, Park County, Colorado.
    • Sanborn (Colo.)
    • [1930?]
    • Cooley Bros. Dredge, Gen. view

    • View of a dragline crane, a dredge and a shovel, possibly on Beaver Creek in Park County, Colorado. The crane reads: "Cooley Brothers" and "Bucyrus Monighan."
    • Zellers, Bob.
    • [between 1935 and 1945?]
    • 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?]
    • Testing gravel before building dredge

    • Three men stand on a raft with a churn drill used to test gravel for hydraulic placer gold mining prior to building a dredge, Summit County, Colorado.
    •  
    • [1900?]
    • Dredge, Summit County

    • Ridson Company's Couch Dredge, in Breckenridge, Summit County, Colorado. The hydraulic placer gold mining vessel is under construction; miners pose by the furnace, trommel, and bucket-line.
    • Hogan, F. H.
    • 1897 or 1898?
    • 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?
    • Dredge coming up the Blue

    • View of a Tonopah Placer Company bucket-line hydraulic gold dredge in the Blue River, at Breckenridge, Summit County, Colorado. "Two-Mile Bridge" is to one side; placer mine tailings are against hills, men and a parked car are in the foreground.
    •  
    • July 28, 1918
    • 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?]
    • 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
    • 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.
    • Noel, Thomas J. (Thomas Jacob)
    • 1981
    • 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.
    • Noel, Thomas J. (Thomas Jacob)
    • 1981
    • 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?]
    • 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.
    • Noel, Thomas J. (Thomas Jacob)
    • 1981
    • 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?]
    • 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.
    • Noel, Thomas J. (Thomas Jacob)
    • 1981

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