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  • All fields: dredges
(78 results)



Display: 50

    • Old dredge near Fairplay, Colo.

    • Abandoned hydraulic placer gold mining dredge on the frozen South Platte River near Fairplay, Park County, Colorado.
    • Abandoned mines--Colorado--Park County--1920-1930.; Dredges--Colorado--Park County--1920-1930.; Gold dredging--Colorado--Park County--1920-1930.; Park County (Colo.)--1920-1930.; South Platte River (Colo. and Neb.)--1920-1930.; Hydraulic...
    • January 1929
    • Alma Gold Mining Co.

    • Alma Gold Mining Company hydraulic placer dredge, Park County, Colorado shows tailings, settling pond and backhoe with Mosquito Range in background.
    • Alma Gold Mining Company (Colo.)--1930-1940.; Dredges--Colorado--Park County--1930-1940.; Gold dredging--Colorado--Park County--1930-1940.; Park County (Colo.)--1930-1940.; Hydraulic mining--Colorado--Park County--1930-1940.; Mining--Colorado--Park...
    • February 24, 1936
    • 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...
    • Blue River Placer Mining Company--1920-1930.; Dredges--Colorado--Summit County--1920-1930.; Mining machinery--Colorado--Summit County--1920-1930.; Tailings embankments--Colorado--Summit County--1920-1930.; Blue River (Colo. : River)--1920-1930.;...
    • [between 1920 and 1925?]
    • Dredger believed to be operating in vicinity of Breckenridge, Colorado

    • Panoramic view of a gold dredging operation in (probably) Breckenridge (Summit County), Colorado; a crane and conveyor belt are part of the machinery.
    • Breckenridge (Colo.)--1910-1920.; Dredges--American--Colorado--Breckenridge--1910-1920.; Gold mining--Colorado--Breckenridge--1910-1920.; Hydraulic mining--Colorado--Breckenridge--1910-1920.; Mining--Colorado--Breckenridge--1910-1920.
    • 1916?
    • No. 6 Canadian Klondike Mining Co. dredge

    • A group of men pose next to a Klondike Mining Company hydraulic placer gold dredge, Alaska.
    • Canadian Klondike Mining Company--1900-1910.; Dredges--Alaska--1900-1910.; Gold dredging--Alaska--1900-1910.; Alaska--1900-1910.; Hydraulic mining--Alaska--1900-1910.; Mining--Alaska--1900-1910.
    • November 7, 1909
    • 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.
    • Costilla County (Colo.)--1900-1910.; Covered wagons--Colorado--Costilla County--1900-1910.; Horseback riding--Colorado--Costilla County--1900-1910.; Hydraulic mining--Colorado--Costilla County--1900-1910.; Mining--Colorado--Costilla...
    • [between 1900 and 1910?]
    • 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."
    • Denver (Colo.)--1860-1870.; South Platte River (Colo. and Neb.)--1860-1870.; Bridge construction--Colorado--Denver--1860-1870.; Dredges--Colorado--Denver--1860-1870.; Dredging--Colorado--Denver--1860-1870.; Rivers--Colorado--Denver--1860-1870.
    • [1868?]
    • 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.
    • Dredges--Alaska--Fairbanks North Star Borough--1950-1960.; Gold dredging--Alaska--Fairbanks North Star Borough--1950-1960.; Fairbanks North Star Borough (Alaska)--1950-1960.; Hydraulic mining--Alaska--Fairbanks North Star Borough--1950-1960.;...
    • June 22, 1950
    • 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.
    • Dredges--Colorado--1870-1890.; Gold mining--Colorado--1870-1890.; Hydraulic mining--Colorado--1870-1890.; Mining--Colorado--1870-1890.
    • [between 1870 and 1890?]
    • 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.
    • Dredges--Colorado--1870-1890.; Gold mining--Colorado--1870-1890.; Hydraulic mining--Colorado--1870-1890.; Mining--Colorado--1870-1890.
    • [between 1870 and 1890?]
    • Gold dredging

    • Hydraulic placer gold mining dredge, possibly in Summit County, Colorado. Shows conveyor buckets on front of dredge used to dig gravel.
    • Dredges--Colorado--1900-1910.; Gold dredging--Colorado--1900-1910.; Conveying systems--Colorado--1900-1910.; Hydraulic mining--Colorado--1900-1910.; Mining--Colorado--1900-1910.
    • [1900?]
    • Hydraulic dredges

    • Two hydraulic placer gold mining dredges (probably the Eleanor Dredges, east of Golden), Colorado. A solitary man poses nearby.
    • Dredges--Colorado--1900-1910.; Gold mining--Colorado--1900-1910.; Hydraulic mining--Colorado--1900-1910.; Mining--Colorado--1900-1910.
    • [1900?]
    • The dredge

    • Three men scull a dingy away from a hydraulic placer gold mining dredge, possibly in Park County, Colorado.
    • Dredges--Colorado--1930-1940.; Gold dredging--Colorado--1930-1940.; Hydraulic mining--Colorado--1930-1940.; Mining--Colorado--1930-1940.
    • [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 [...]".
    • Dredges--Colorado--Alma--1940-1950.; Mining machinery--Colorado--Alma--1940-1950.; Alma (Colo.)--1940-1950.; Hoisting machinery--Colorado--Alma--1940-1950.; Hydraulic mining--Colorado--Alma--1940-1950.; Mining--Colorado--Alma--1940-1950.
    • [1940]
    • 8 yard shovel Timberline Dredging operation Alma, Colo.

    • View of a steamshovel at the Timberline Dredging Company Mine near Alma (Park County), Colorado. The side of the machinery reads: "No 2" and "Page".
    • Dredges--Colorado--Alma--1940-1950.; Mining machinery--Colorado--Alma--1940-1950.; Alma (Colo.)--1940-1950.; Hydraulic mining--Colorado--Alma--1940-1950.; Mining--Colorado--Alma--1940-1950.
    • [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.
    • Dredges--Colorado--Alma--1940-1950.; Mining machinery--Colorado--Alma--1940-1950.; Alma (Colo.)--1940-1950.; South Platte River (Colo. and Neb.)--1940-1950.; Hydraulic mining--Colorado--Alma--1940-1950.; Mining--Colorado--Alma--1940-1950.
    • [1940]
    • Gold Pan pit

    • Gold Pan mine pit, Breckenridge, Summit County, Colorado shows: dredge, flume, pipe support structure, and ore conveyor.
    • Dredges--Colorado--Breckenridge--1900-1910.; Gold dredging--Colorado--Breckenridge--1900-1910.; Breckenridge (Colo.)--1900-1910.; Hydraulic mining--Colorado--Breckenridge--1900-1910.; Mining--Colorado--Breckenridge--1900-1910.
    • [1900?]
    • 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.
    • Dredges--Colorado--Breckenridge--1900-1920.; Mining machinery--Colorado--Breckenridge--1900-1920.; Breckenridge (Colo.)--1900-1920.; French Gulch (Summit County, Colo.)--1900-1920.; Hydraulic mining--Colorado--Breckenridge--1900-1920.;...
    • [between 1905 and 1913?]
    • 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...
    • Dredges--Colorado--Breckenridge--1910-1940.; Mining machinery--Colorado--Breckenridge--1910-1940.; Breckenridge (Colo.)--1910-1940.; Gold mining--Colorado--Breckenridge--1910-1940.; Hydraulic mining--Colorado--Breckenridge--1910-1940.;...
    • [between 1917 and 1938?]
    • 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
    • Scenery on North Clear Creek, showing the mines at work washing out gold.

    • Shows an open framework side-wheel hydraulic placer gold dredge; gold miners feed gravel into a sluice next to the dredge, Clear Creek County, Colorado.
    • Dredges--Colorado--Clear Creek County--1870-1880.; Gold dredging--Colorado--Clear Creek County--1870-1880.; Clear Creek County (Colo.)--1870-1880.; Hydraulic mining--Colorado--Clear Creek County--1870-1880.; Mining--Colorado--Clear Creek...
    • [between 1870-1880?]
    • Placer mining near Russell, La Veta pass

    • Hydraulic placer gold mining dredge near Russell, La Veta Pass, Costilla County, Colorado.
    • Dredges--Colorado--Costilla County--1900-1910.; Gold dredging--Colorado--Costilla County--1900-1910.; Costilla County (Colo.)--1900-1910.; Veta Pass (Colo.)--1900-1910.; Hydraulic mining--Colorado--Costilla County--1900-1910.;...
    • [1900?]
    • Mine dredge for gold

    • Hydraulic placer gold mining dredge in pond with mine tailings, Dillon, Summit County, Colorado.
    • Dredges--Colorado--Dillon--1920-1930.; Gold dredging--Colorado--Dillon--1920-1930.; Tailings embankments--Colorado--Dillon--1920-1930.; Dillon (Colo.)--1920-1930.; Hydraulic mining--Colorado--Dillon--1920-1930.; Mining--Colorado--Dillon--1920-1930.
    • July 29, 1924
    • Dredging gold, Fairplay, Colo.

    • Hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Dredges--Colorado--Fairplay--1900-1910.; Gold dredging--Colorado--Fairplay--1900-1910.; Fairplay (Colo.)--1900-1910.; Hydraulic mining--Colorado--Fairplay--1900-1910.; Mining--Colorado--Fairplay--1900-1910.
    • [1900?]
    • The gold boat, Fairplay, Colorado

    • Hydraulic placer gold mining dredge, Fairplay, Colorado.
    • Dredges--Colorado--Fairplay--1900-1920.; Gold dredging--Colorado--Fairplay--1900-1920.; Fairplay (Colo.)--1900-1920.; Hydraulic mining--Colorado--Fairplay--1900-1920.; Mining--Colorado--Fairplay--1900-1920.
    • [between 1900 and 1920?]
    • The dredge, Fairplay, Colo.

    • Hydraulic placer gold mining dredge with shed and equipment, Fairplay, Park County, Colorado.
    • Dredges--Colorado--Fairplay--1930-1940.; Fairplay (Colo.)--1930-1940.; Hydraulic mining--Colorado--Fairplay--1930-1940.; Mining--Colorado--Fairplay--1930-1940.
    • [1930?]
    • The dredge, Fairplay, Colo.

    • Hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Dredges--Colorado--Fairplay--1930-1940.; Gold dredging--Colorado--Fairplay--1930-1940.; Fairplay (Colo.)--1930-1940.; Hydraulic mining--Colorado--Fairplay--1930-1940.; Mining--Colorado--Fairplay--1930-1940.
    • [1930?]
    • South Platte dredge, Fairplay, Colo.

    • Hydraulic placer gold mining dredge on the South Platte River, Fairplay, Park County, Colorado.
    • Dredges--Colorado--Fairplay--1930-1940.; Gold dredging--Colorado--Fairplay--1930-1940.; Fairplay (Colo.)--1930-1940.; Hydraulic mining--Colorado--Fairplay--1930-1940.; Mining--Colorado--Fairplay--1930-1940.
    • [1930?]
    • Gold dredge, Fairplay

    • A conveyor belt moves buckets of rocks on a hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Dredges--Colorado--Fairplay--1940-1950.; Gold dredging--Colorado--Fairplay--1940-1950.; Fairplay (Colo.)--1940-1950.; Conveying systems--Colorado--Fairplay--1940-1950.; Hydraulic mining--Colorado--Fairplay--1940-1950.;...
    • 1942
    • Gold dredge, Fairplay

    • Hydraulic placer gold mining dredge, Fairplay, Park County, Colorado.
    • Dredges--Colorado--Fairplay--1940-1950.; Gold dredging--Colorado--Fairplay--1940-1950.; Fairplay (Colo.)--1940-1950.; Hydraulic mining--Colorado--Fairplay--1940-1950.; Mining--Colorado--Fairplay--1940-1950.
    • 1942
    • South Platte Dredge Fairplay, Colo.

    • View of the South Platte Dredge near Fairplay (Park County), Colorado. Tailings piles are nearby.
    • Dredges--Colorado--Fairplay--1940-1950.; Mining machinery--Colorado--Fairplay--1940-1950.; Fairplay (Colo.--1940-1950.; Hydraulic mining--Colorado--Fairplay--1940-1950.; Mining--Colorado--Fairplay--1940-1950.
    • [1940]
    • Fairplay, Colorado dredge

    • Distant view of a hydraulic placer gold mining dredge, Fairplay, Park County, Colorado with Mosquito Range in background.
    • Dredges--Colorado--Fairplay--1950-1960.; Gold dredging--Colorado--Fairplay--1950-1960.; Fairplay (Colo.)--1950-1960.; Hydraulic mining--Colorado--Fairplay--1950-1960.; Mining--Colorado--Fairplay--1950-1960.
    • September 1953
    • Fairplay, Colorado dredge

    • Distant view of a gold mining dredge and tailings, Fairplay, Park County, Colorado with Mosquito Range in background.
    • Dredges--Colorado--Fairplay--1950-1960.; Gold dredging--Colorado--Fairplay--1950-1960.; Fairplay (Colo.)--1950-1960.; Hydraulic mining--Colorado--Fairplay--1950-1960.; Mining--Colorado--Fairplay--1950-1960.
    • September 1953
    • Dredge at Hahns Peak placers

    • "Eleanor", a hydraulic placer gold mining dredge in Hahns Peak, Routt County, Colorado.
    • Dredges--Colorado--Hahns Peak--1910-1920.; Gold dredging--Colorado--Hahns Peak--1910-1920.; Hahns Peak (Colo.)--1910-1920.; Hydraulic mining--Colorado--Hahns Peak--1910-1920.; Mining--Colorado--Hahns Peak--1910-1920.
    • 1910
    • 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.
    • Dredges--Colorado--Jefferson County--1870-1890.; Jefferson County (Colo.)--1870-1890.; North Table Mountain (Colo.)--1870-1890.; Gold mining--Colorado--Jefferson County--1870-1890.; Hydraulic mining--Colorado--Jefferson County--1870-1890.;...
    • [between 1870 and 1890?]
    • 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.
    • Dredges--Colorado--Park County--1900-1910.; Gold dredging--Colorado--Park County--1900-1910.; Park County (Colo.)--1900-1910.; Drilling & boring machinery--Colorado--Park County--1900-1910.; Hydraulic mining--Colorado--Park County--1900-1910.;...
    • [1900?]
    • 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."
    • 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 1898 and 1902?]
    • 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?]
    • 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?]
    • 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.
    • Dredges--Colorado--Tiger--1940-1950.; Mining machinery--Colorado--Tiger--1940-1950.; Tiger (Colo.)--1940-1950.; Hydraulic mining--Colorado--Tiger--1940-1950.; Mining--Colorado--Tiger--1940-1950.
    • 1940
    • Two nine and one-half cubic foot placer dredges, the Colorado Gold Dredging Co.

    • View of Colorado Gold Dredging Company Bucyrus-built bucket-line hydraulic mine and processing boats, in the Swan River at Valdora, Summit County, Colorado. Tailings are piled between them; buildings are in the background.
    • Dredges--Colorado--Valdora--1900-1910.; Mining machinery--Colorado--Valdora--1900-1910.; Tailings embankments--Colorado--Valdora--1900-1910.; Swan River (Colo.)--1900-1910.; Valdora (Colo.)--1900-1910.; Gold mining--Colorado--Valdora--1900-1910.;...
    • 1908
    • 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.
    • Dredges--Colorado--Valdora--1900-1910.; Mining machinery--Colorado--Valdora--1900-1910.; Valdora (Colo.)--1900-1910.; Hydraulic mining--Colorado--Valdora--1900-1910.; Miners--Colorado--Valdora--1900-1910.; Mining--Colorado--Valdora--1900-1910.
    • 1905?
    • 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?]
    • Derry Gold Dredge, Twin Peaks in background, near Leadville, Colo.

    • View of the Derry Dredge, Empire Gold Dredging Company's hydraulic placer bucket-line vessel, near Leadville, Lake County, Colorado. Sign reads: "Derry Dredge - Built by New York Engineering Co."
    • Empire Gold Dredging Company--Equipment & supplies--1910-1920.; Dredges--Colorado--Lake County--1910-1930.; Lake County (Colo.)--1910-1930.; Gold mining--Colorado--Lake County--1910-1930.; Hydraulic mining--Colorado--Lake County--1910-1930.; Mining...
    • between 1915 and 1926
    • Derry Gold Dredge, near Leadville, Colo. Mt. Massive in background at right

    • Men and women pose on the Derry Dredge, Empire Gold Dredging Company's hydraulic placer bucket-line vessel, near Leadville, Lake County, Colorado. Sign reads: "Derry Dredge - Built by New York Engineering Co."
    • Empire Gold Dredging Company--Equipment & supplies--1910-1930.; Dredges--Colorado--Lake County--1910-1930.; Lake County (Colo.)--1910-1930.; Gold mining--Colorado--Lake County--1910-1930.; Hydraulic mining--Colorado--Lake County--1910-1930.; Mining...
    • between 1915 and 1926
    • 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.
    • Empire Gold Dredging Company--Equipment & supplies--1910-1930.; Lake County (Colo.)--1910-1930.; Dredges--American--Colorado--Lake County--1910-1930.; Gold mining--Colorado--Lake County--1910-1930.; Hydraulic mining--Colorado--Lake...
    • [between 1915 and 1926]
    • 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.
    • Empire Gold Dredging Company--Equipment & supplies--1920-1930.; Dredges--Colorado--Lake County--1920-1930.; Gold dredging--Colorado--Lake County--1920-1930.; Box Creek (Lake County, Colo.)--1920-1930.; Lake County (Colo.)--1920-1930.; Hydraulic...
    • 1920
    • 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.
    • Fairplay (Colo.)--1940-1950.; Dredges.; Gold dredging.; Hydraulic mining.
    •  

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