Miners sit and stand near hydraulic mining equipment at a placer mining operation in Alder gulch, Madison County, Montana. Water runs from the top of the gulch. Shows sluice boxes; water sprays from a monitor nozzle.
Alder Gulch (Madison County, Mont.)--1870-1880.; Madison County (Mont.)--1870-1880.; Expeditions & surveys--Montana--Madison County--1870-1880.; Hydraulic Mining--Montana--Madison County--1870-1880.; Mining--Montana--Madison County--1870-1880.;...
View of a hydraulic mining operation in Virginia City, Montana; shows wooden sluices, a hose on a reel, rock tailings, a hoist and a section of the sluice or flume, and abandoned headgates.
Sluices--Montana--Virginia City--1870-1880.; Virginia City (Mont.)--1870-1880.; Flumes--Montana--Virginia City--1870-1880.; Hydraulic mining--Montana--Virginia City--1870-1880.; Mining--Montana--Virginia City--1870-1880.
View of a placer mine by a river; miners pose by a rocker and sluice, climbing a pole, and in an ore car. A furnace and barrels are by pipes and a ditch; frame buildings, automobiles, and a freight car with letters: "C N N" [?] are in the...
View of a Public Works Administration hydraulic gold mining class, in Denver, Colorado; shows men with a rocker sluice and gold pans. One wears high boots, another smokes a cigarette.
United States. Public Works Administration.--1930-1940.; Sluices--Colorado--Denver--1930-1940.; Denver (Colo.)--1930-1940.; Gold mining--Colorado--Denver--1930-1940.; Hydraulic mining--Colorado--Denver--1930-1940.;...
View of a Public Works Administration hydraulic gold mining class, in Denver, Colorado; shows men with a rocker sluice and gold pans. One wears high boots and uses a shovel.
United States. Public Works Administration.--1930-1940.; Denver (Colo.)--1930-1940.; Gold mining--Colorado--Denver--1930-1940.; Hydraulic mining--Colorado--Denver--1930-1940.; Miners--Colorado--Denver--1930-1940.; Mining...
Miners monitor the flow of water through hoses and sluice boxes in Alder Gulch, Madison County, Montana. Water from the top of the gulch and from a monitor nozzle erodes the soil of the hill.
Alder Gulch (Mont.)--1870-1880.; Madison County (Mont.)--1870-1880.; Expeditions & surveys--Montana--Madison County--1870-1880.; Hydraulic Mining--Montana--Madison County--1870-1880.; Miners (Mont.)--Montana--Madison County--1870-1880.;...
Panoramic view of a valley near Ilium Curve, a loop of narrow gauge Denver and Rio Grande Railroad track near Ilium, (San Miguel County), Colorado. Shows an abandoned mine with a rail and plank sluice and log and wood frame buildings, dirt roads...
San Miguel County (Colo.)--1880-1900.; Sunshine Mountain (San Miguel County, Colo.)--1880-1900.; Abandoned mines--Colorado--San Miguel County--1880-1900.; Mining--Colorado--San Miguel County--1880-1900.
A workman adds oil to the engine of an M. Rumely tractor near the Alameda Avenue underpass construction site in Denver, Colorado. Another man poses near a sluice used to transport mixed concrete.
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Tractors--Colorado--Denver--1900-1910.
View of mining operations at the Keystone Mine in San Miguel County, Colorado. Shows sluice boxes and a large pipe with hydraulic nozzles.
Keystone Mine (San Miguel County, Colo.)--1880-1900.; San Miguel County (Colo.)--1880-1900.; Flumes--Colorado--San Miguel County--1880-1900.; Hydraulic mining--Colorado--San Miguel County--1880-1900.; Mining--Colorado--San Miguel County--1880-1900.
View of mining operations at Keystone Mine, San Miguel County, Colorado. Shows a large water pipe on a log and hewn plank support as a hydraulic hose with a monitor nozzle sprays the hillside. A sluice box carries run-off down the slope. Shows a...
Keystone Mine (San Miguel County, Colo.)--1880-1890.; San Miguel County (Colo.)--1880-1890.; Hydraulic mining--Colorado--San Miguel County--1880-1890.; Mining--Colorado--San Miguel County--1880-1890.; Penstocks--Colorado--San Miguel...
View of the Keystone Placer Mine in San Miguel County Colorado. Shows mining buildings and sluice apparatus.
Keystone Mine (San Miguel County, Colo.)--1880-1900.; San Miguel County (Colo.)--1880-1900.; Flumes--Colorado--San Miguel County--1880-1900.; Hydraulic mining--Colorado--San Miguel County--1880-1900.; Mine buildings--Colorado--San Miguel...
View of the Keystone placer mine, shows frame mine buildings and a wooden sluice, San Miguel County, Colorado.
Keystone Mine (San Miguel County, Colo.)--1880-1900.; San Miguel County (Colo.)--1880-1900.; Flumes--Colorado--San Miguel County--1880-1900.; Hydraulic mining--Colorado--San Miguel County--1880-1900.; Mine buildings--Colorado--San Miguel...
Cottonwood Placer Company men stand and sit on a riffle box (sluice) in front of a cabin in Pinon (Montrose County), Colorado, with picks, a shovel, and a gold washing pan. Sign reads: "Klondykers."
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.;...
Miners pan for gold, probably in the South Platte River, near Denver, Colorado. A small sluice and a shovel are nearby.
Denver (Colo.)--1900-1920.; South Platte River (Colo. and Neb.)--1900-1920.; Hydraulic mining--Colorado--Denver--1900-1920.; Miners--Colorado--Denver--1900-1920.; Mining--Colorado--Denver--1900-1920.; Rivers--Colorado--Denver--1900-1920.
View of Clear Creek at the entrance to Clear Creek Canyon in Jefferson County, Colorado. Colorado and Southern Railway (C&S) narrow gauge tracks and a sluice are on either side of the creek.
Colorado and Southern Railway--1870-1880.; Sluices--Colorado--Jefferson County--1870-1880.; Clear Creek (Clear Creek County, Colo.)--1870-1880.; Clear Creek Canyon (Colo.)--1870-1880.; Jefferson County (Colo.)--1870-1880.;...
Panoramic view of buildings, railroads, and wagons on probably the Otto Mears toll road near Portland Creek in the San Juan Mountains in Ouray (Ouray County), Colorado. Shows Denver and Rio Grande freight cars on tracks near dirt roads, frame...
Index originally created by Henrietta Bromwell in 1933 of 31,000 items regarding biographies and portraits of politicians, miners, club women, newspaper editors, artists, businessmen, legislators, early settlers, settlements, mines, geographical...
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.
View of mine buildings and the aerial tramway at the Payrock Mine near Georgetown in Clear Creek County, Colorado. Shows a sluice box, chute, privy, and frames for the tramway.
Clear Creek County (Colo.)--1890-1900.; Payrock Mine (Clear Creek County, Colo.)--1890-1900.; Aerial tramways--Colorado--Clear Creek County--1890-1900.; Mine buildings--Colorado--Clear Creek County--1890-1900.; Mining--Colorado--Clear Creek...
View of Pikes Peak from Colorado City, west of Colorado Springs, Colorado; creek flows at center of image (probably Camp Creek); shows cottonwood trees, fence, water running through sluice, automobile parked in shadows, and mountains in background.
Camp Creek (Colo.)--1900-1920.; Pikes Peak (Colo.)--1900-1920.
People pan for gold by water; a man holds a hydraulic sluice rocker box, a woman uses a pan, and a boy has a shovel. A house with bays is by the river.