Skip to main content

Add or remove other collections to your search:



Narrow your search by:



You've searched: All Collections

  • All fields: Dredging
(168 results)



Display: 50

    • 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?
    • So. Platte Drg. Co.

    • View of bucket mechanisms on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows iron beams, cables, and buckets.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Dredging--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • Mechanized buckets scoop up soil on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows rock filled alluvial soil, cables, iron beams, and buckets.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Dredging--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • Buckets scoop soil from the Middle Fork South Platte River bed to be processed on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows iron beam framework, pulleys, and cables.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Dredging--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • Mechanized buckets lift dirt onto the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. Shows steel beam framework and cables.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1940-1950.; Conveying systems--Colorado--Fairplay--1940-1950.; Dredges--Colorado--Fairplay--1940-1950.; Dredging--Colorado--Fairplay--1930-1950.;...
    • [between 1940 and 1950?]
    • 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
    • So. Platte Dr. Co. gen. view

    • View of the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. Tailings piles are nearby.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.; Mining--Colorado--Fairplay--1930-1950.
    • [between 1930 and 1950?]
    • So. Platte Dr. Co., rollers

    • View of roller mechanism on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Mining machinery--Parts--Colorado--Fairplay--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • Site of Arapahoe Bar

    • View of Arapahoe City, (Arapahoe, Arapahoe Bar) pioneer placer mining camp, earliest town in Jefferson County, Colorado, organized in 1858, named for the Arapaho Indians; gold dredging operations in 1904 left tailing dumps on a site along Clear...
    • Gold dredging--Colorado--Arapahoe City--1920-1930.; Arapahoe City (Colo.)--1920-1930.; Tailings (Metallurgy)--Colorado--Arapahoe City--1920-1930.
    • July 1928
    • 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
    • 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.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.; Mining--Colorado--Fairplay--1930-1950.; Tailings...
    • [between 1930 and 1950?]
    • 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
    • So. Platte Dr. Co.

    • View of iron beams, cables, and pulleys on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Hoisting machinery--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.; Mining--Colorado--Fairplay--1930-1950.
    • [between 1930 and 1950?]
    • So. Platte Dr. Co.

    • View of an extended arm and conveyor belt on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Gravel tailing piles are on the ground at the end of the mechanical arm.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Conveying systems--Colorado--Fairplay--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • View of equipment on the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. Shows chains, cables, and iron beams.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Mining machinery--Colorado--Fairplay--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • View of a tall iron beam structure that is part of the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows the iron beam framework, pulleys, and cables.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hoisting machinery--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Dr. Co., tragles [sic.]

    • Water flows from pipes into long sluice boxes on the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Mining machinery--Parts--Colorado--Fairplay--1930-1950.; Fairplay (Colo.)--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.; Interiors--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • 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
    • So. Platte Drg. Co.

    • View of an iron framework on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows mechanized buckets transporting dirt, cables, iron beams, and the Platte River.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Conveying systems--Colorado--Fairplay--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • 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?]
    • So. Platte Drg. Co., control room

    • A worker operates the controls of the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado. The man sits in the control room and holds a control lever in each hand. Other control levers...
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Control rooms--Colorado--Fairplay--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • View of a control room with levers, switches, and dials on the South Platte Dredging Company hydraulic placer gold mining dredge probably near Fairplay (Park County), Colorado.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Control rooms--Colorado--Fairplay--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [between 1930 and 1950?]
    • So. Platte Drg. Co.

    • View of an iron framework of machinery on the South Platte Dredging Company hydraulic placer gold mining dredge near Fairplay (Park County), Colorado. Shows cables, pulleys, and buckets.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hoisting machinery--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.;...
    • [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.
    • South Platte Dredging Co.--Equipment & supplies--1930-1950.; Fairplay (Colo.)--1930-1950.; Dredges--Colorado--Fairplay--1930-1950.; Hydraulic mining--Colorado--Fairplay--1930-1950.; Mining--Colorado--Fairplay--1930-1950.
    • [between 1930 and 1950?]
    • Gold dredging in Clear Creek valley

    • Hydraulic dredge machine [probably the Eleanor 1 or 2] in operation in Clear Creek valley, a few miles east of Golden, Colorado.
    • Gold dredging--Colorado--1900-1910.; Clear Creek Valley (Colo.)--1900-1910.; Dredging--Colorado--1900-1910.
    • [between 1904 and 1908?]
    • Hamilton & Gleason sand dredge

    • View of Hamilton and Gleason (railroad contractors) sand dredging operations in Denver, Colorado; shows a steam shovel, an elevator, railroad tracks, and an dummy car.
    • Hamilton and Gleason--Facilities--1920-1930.; Denver (Colo.)--1920-1930.; Dredging--Colorado--Denver--1920-1925.
    • [between 1920 and 1925?]
    • 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.
    • Russell (Colo.)--1900-1910.; Dredges--American--Colorado--Russell--1900-1910.; Gold mining--Colorado--Russell--1900-1910.; Hydraulic mining--Colorado--Russell--1900-1910.
    • [between 1900 and 1910?]
    • 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.
    • Russell (Colo.)--1900-1910.; Dredges--American--Colorado--Russell--1900-1910.; Gold mining--Colorado--Russell--1900-1910.; Hydraulic mining--Colorado--Russell--1900-1910.
    • [between 1900 and 1910?]
    • 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]
    • 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?
    • 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]
    • 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
    • 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?]
    • 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
    • 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]
    • Site of Arapahoe Bar

    • View of Arapahoe City, (Arapahoe, Arapahoe Bar) pioneer placer mining camp, the earliest town in Jefferson County, Colorado, organized in 1858; named for the Arapaho Indians; extensive gold dredging operations in 1904 left tailing dumps covering...
    • Tailings (Metallurgy)--Colorado--Arapahoe City--1920-1930.; Arapahoe City (Colo.)--1920-1930.
    • July 1928
    • Site of Arapahoe Bar, July 1928

    • View of Arapahoe City, (Arapahoe, Arapahoe Bar) pioneer placer mining camp, the earliest town in Jefferson County, Colorado, organized in 1858; named for the Arapaho Indians; extensive gold dredging 1904 operations with tailing dumps on site along...
    • Tailings (Metallurgy)--Colorado--Arapahoe City--1920-1930.; Arapahoe City (Colo.)--1920-1930.
    • July 1928
    • 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?]
    • 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
    • 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.
    • Russell (Colo.)--1900-1910.; Dredges--American--Colorado--Russell--1900-1910.; Gold mining--Colorado--Russell--1900-1910.; Hydraulic mining--Colorado--Russell--1900-1910.
    • [between 1900 and 1910?]
    • Mining dredge

    • A man stands near the Derry Dredge, Empire Gold Dredging Company's hydraulic placer bucket-line vessel, near Leadville (Lake County), Colorado.
    • Lake County (Colo.)--1910-1930.; Dredges--American--Colorado--Lake County--1910-1930.; Gold mining--Colorado--Lake County--1910-1930.; Hydraulic mining--Colorado--Lake County--1910-1930.
    • [between 1915 and 1926]

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK
Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK