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  • All fields: Dredging
(168 results)



Display: 50

    • 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.
    • Gold dredging--Colorado--Breckenridge--1890-1900.; Mining machinery--Colorado--Breckenridge--1890-1900.; Breckenridge (Colo.)--1890-1900.; Hydraulic mining--Colorado--Breckenridge--1890-1900.; Miners--Colorado--Breckenridge--1890-1900.;...
    • 1897 or 1898?
    • 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.
    • Reliance Gold Dredging Company--1900-1910.; Dredges--Colorado--Summit County--1900-1910.; Mining machinery--Colorado--Summit County--1900-1910.; French Gulch (Summit County, Colo.)--1900-1910.; Summit County (Colo.)--1900-1910.; Swan River...
    • 1906?
    • 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
    • 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
    • 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?
    • 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
    • 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
    • Municipal Facts: Volume 3 Number 9, 1920 September

    • Newsletter produced monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1920 September
    • Municipal Facts: Volume 4 Numbers 1 and 2, 1921 January-February

    • Newsletter produced monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1921 January-February
    • Municipal Facts: Volume 6 Numbers 6 and 7, 1923 June-July

    • Newsletter produced monthly by the City of Denver highlighting the civic, administrative, and informational aspects of government within the City.
    • Local government--Colorado--Denver.; Cities and towns--Colorado--Denver.
    • 1923 June-July
    • 1924 Denver Householders' Directory and Street and Avenue Guide v.1

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1924
    • 1930 Denver Householders' Directory and Street and Avenue Guide v.6

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1930
    • 1931 Denver Householders' Directory and Street and Avenue Guide v.7

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1931
    • Officers Bar - south end

    • View of Officer's Bar and the Grayback Mine District in Placer, Costilla County, Colorado; shows (1-1) Grayback Gulch, (2) Placer Creek, and (3) Grayback on iron cut. Embankments show erosion from hydraulic gold dredging.
    • Costilla County (Colo.)--1930-1940.; Grayback Gulch (Colo.)--1930-1940.; Placer Creek (Colo.)--1930-1940.; Hydraulic mining--Colorado--Costilla County--1930-1940.; Mining--Colorado--Costilla County--1930-1940.
    • 1932
    • 1933 Denver Householders' Directory and Street and Avenue Guide v.9

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1933
    • 1934 Denver Householders' Directory and Street and Avenue Guide v.10

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1934
    • Elinor ship

    • U.S. Army Engineer's sternwheeler pushing LaCrosse Dredging Co. dredge No. 145. Photographed: on Mississippi River near Minneiska, Minn., July 30, 1934.
    • Ships--Pictorial works--1930-1940.; Ships--Minnesota--Minneiska--1934.; Stern wheelers.; Paddle steamers.; Steamboats.
    • 1934
    • 1935 Denver Householders' Directory and Street and Avenue Guide v.11

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1935
    • 1936 Denver Householders' Directory and Street and Avenue Guide v.12

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1936
    • 1937 Denver Householders' Directory and Street and Avenue Guide v.13

    • The Denver Householder Directory started in 1924 and has been continued by other publishers right up to the present. These are arranged by address, allowing you to find out who was living in the house and/or the owner or the name of a business.
    • Denver (Colo.)--Directories.
    • 1937
    • 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
    • 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
    • Swan's Nest, 1945

    • The 'Swan's Nest,' near Breckenridge, Colorado, was built near the Swan River in the 1890's by Ben Stanley Revett, general manager of the North American Gold Dredging Company. The two-story, gable roofed frame residence has flanking wings set at...
    • Revett, Ben Stanley--Homes & haunts--1890-1910.; Breckenridge (Colo.)--1940-1950.; Dwellings--Colorado--Breckenridge--1940-1950.
    • 1945
    • Dredge at Hillerton two miles north of Tincup

    • The dilapidated framework of a dredge is next to a pile of dredged-up rock and dirt at the Hillerton mine near Tin Cup (Gunnison County), Colorado. Mine tailings are in the background.
    • Gunnison County (Colo.)--1960-1970.; Dredging--Colorado--Gunnison County--1940-1950.
    • 1966
    • 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
    • Mining Index to Hollister, Henderson and Canfield Histories

    • Mining index to Henderson, Hollister, and Canfield mining histories. Names of mines, mining companies, mining districts, lodes, veins, claims, and tunnels are indexed with page number.
    • Mines and mineral industries--Colorado--Directories.; Mines and mineral resources--Colorado--Directories.;
    • 1995
    • Abbeyville Dredge, Gunnison County, Colo.

    • View of the remains of the Abbeyville Dredge used for mining near Tincup, Gunnison County, Colo.
    • Gold dredging--Colorado--Gunnison County--2000-2010.; Gunnison County (Colo.)--2000-2010.; Gold dredging--Colorado--Gunnison County--Pictorial works.; Gunnison County (Colo.)--Pictorial works.
    • 2007
    • 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?]
    • 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?]
    • 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?]
    • 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?]
    • Gold dredging

    • Two steam shovels excavate a ground pit for hydraulic placer gold mining, Summit County, Colorado.
    • Summit County (Colo.)--1900-1910.; Gold mining--Colorado--Summit County--1900-1910.; Hydraulic mining--Colorado--Summit County--1900-1910.; Mining--Colorado--Summit County--1900-1910.; Steam shovels--Colorado--Summit County--1900-1910.
    • [1900?]
    • Gold pan pit and gold pan slopes, north end of Breckenridge

    • Gold Pan Mine, Breckenridge, Summit County, Colorado shows: mill buildings, flume, hydraulic placer mining dredge, smokestacks, and tailings.
    • Gold Pan Mine (Summit County, Colo.)--1900-1910.; Dredges--Colorado--Breckenridge--1900-1910.; Gold dredging--Colorado--Breckenridge--1900-1910.; Breckenridge (Colo.)--1900-1910.; Hydraulic mining--Colorado--Breckenridge--1900-1910.;...
    • [1900?]
    • 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?]
    • Gold Pan pit, Nigger Hill in background

    • A man stands on the rim of the Gold Pan Mine pit near Breckenridge, Summit County, Colorado, in front of possibly a ore mill and pipe support structure. Barney Ford Hill (formerly Nigger Hill) is in the background.
    • Gold Pan Mine (Summit County, Colo.)--1900-1910.; Barney Ford Hill (Colo.)--1900-1910.; Breckenridge (Colo.)--1900-1910.; Gold dredging--Colorado--Breckenridge--1900-1910.; Hydraulic mining--Colorado--Breckenridge--1900-1910.;...
    • [1900?]
    • 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?]
    • Barker's Meadow, Denver, Boulder & Wester Ry.

    • View east across Barker Meadow from Nederland Dam construction site east of Nederland, Colorado reached by spur via Denver, Boulder, & Northwestern (formerly Colorado & Northwestern); narrow gauge track along ridge and in meadow, residences &...
    • Barker Meadow (Colo.)--1900-1910.; Dam construction--Colorado--Barker Meadow--1900-1910.; Dams--Colorado--Barker Meadow--1900-1910.
    • [1909 or 1910]
    • 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?]
    • 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?]
    • 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?]
    • 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 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]
    • 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.
    • Alma (Colo.)--1940-1950.; Dredging--Colorado--Alma--1940-1950.; Hydraulic mining--Colorado--Alma--1940-1950.; Mining--Colorado--Alma--1940-1950.
    • [1940]
    • Monument dedicated April 28, 1946

    • Detail of a bronze plaque set into river cobbles and concrete reads: "This tablet is the property of the state of Colorado. In this immediate area once stood Arapahoe City, a pioneer placer mining camp, the earliest town in Jefferson County. Named...
    • Arapahoe City (Colo.)--1940-1950.; Monuments & memorials--Colorado--Arapahoe City--1940-1950.; Plaques--Colorado--Arapahoe City--1940-1950.
    • [1946 April 28]
    • 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?]

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