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...
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...
A landscape oil painting of the Silver Ledge Mine by Frank Russell Green. The painting is of a red and brown mine building, mill building, green mountains, sky, trees, sluice, roads, chimneys and smoke stacks. The frame is gilded and molded wood.
View of the Golconda Group Mine near Summitville in Rio Grand County, Colorado. A sluice box sits in an excavated trench. Men work near the trench. Mount Hesperus (Hesperus Mountain) is in the distance.
Golconda Group Mine (Rio Grande County, Colo.)--1890-1900.; Hesperus Mountain (Colo.)--1890-1900.; Summitville (Colo.)--1890-1900.; Hydraulic mining--Colorado--Summitville--1890-1900.; Mining--Colorado--Summitville--1890-1900.;...
View of the Golconda Group Mine in Summitville, Rio Grande County, Colorado. Shows wood plank building, log cabin, and tent. A sluice box sits in an excavated trench. Men are in the distance.
Golconda Group Mine (Rio Grande County, Colo.)--1890-1900.; Summitville (Colo.)--1890-1900.; Hydraulic mining--Colorado--Summitville--1890-1900.; Mining--Colorado--Summitville--1890-1900.; Sluices--Colorado--Summitville--1890-1900.
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...
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 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 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...
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.
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.
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 two arrastras, large horizontal wheels, powered by water brought in by flumes, somewhere in early mining camp in Colorado. The wheels were possibly used for crushing ore or as a sluice box.
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.
Miners pose at the Smith & Parmelee Gold Company mill at Gregory Gulch near Central City in Gilpin County, Colorado. The gold mine is beside the Briggs Gold Mining Company lode and on what was known as the Gregory Extension crevice. Shows mule and...
Smith & Parmelee Gold Mining Co.--Buildings--1860-1870.; Gilpin County (Colo.)--1860-1870.; Gregory Gulch (Colo.)--1860-1870.; Gold mining--Colorado--Gregory Gulch--1860-1870.; Mine buildings--Colorado--Gregory Gulch--1860-1870.;...
View of the Keystone Placer Mine near Telluride (San Miguel County), Colorado. Pipes, a sluice, and wooden staircase are nearby.
Keystone Mine (San Miguel County, Colo.)--1880-1900.; Telluride (Colo.)--1880-1900.; Hydraulic mining--Colorado--Telluride--1880-1900.; Miners--Colorado--Telluride--1880-1900.; Mining--Colorado--Telluride--1880-1900.
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...
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...
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.
View of the Dew Drop Mine near Ward in Frances (Camp Francis, Dew Drop, Boulder County), Colorado. A man identified as Costy stands on tailings between the old and new shaft houses. Shows a tipple, and a log and wood retaining wall. Lumber and...
Dew Drop Mine (Boulder County, Colo.)--1890-1900.; Frances (Colo.)--1890-1900.; Mine buildings.; Mining.; Tipples.
Placer miners work near a sluice in Russell Gulch, Gilpin County, Colorado. Their tools include wheelbarrows, shovels, picks, and pitchforks. Monitors spray water, mine buildings are on the surrounding hills. David Henderson is in the foreground,...
View of The New York Mill Company at the south end of Black Hawk leading into Central City, (Gilpin County) Colorado. Shows: mill building, smokestacks, houses, tailings, Colorado & Southern railroad tracks, and a wooden sluice with icicles.
A miner shovels ore into a wooden sluice at a placer operation in Boren Gulch, La Plata County, Colorado; a man in a top hat holds a pickaxe, another looks on.
La Plata County (Colo.)--1870-1880.; Gold mining--Colorado--La Plata County--1870-1880.; Hydraulic mining--Colorado--La Plata County--1870-1880.; Miners--Colorado--La Plata County--1870-1880.; Mining--Colorado--La Plata 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.