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    • Platoro Mining District

    • Platoro Mining District

    • Scattered log and tent structures comprise the gold mining town of Platoro in the Platoro - Gilmore Mining District (Conejos County), Colorado; shows people in front of residences and stores along the wide center street.

    • Platoro (Colo.)--1910-1920.; Log buildings--Colorado--Platoro--1910-1920.; Mining--Colorado--Platoro--1910-1920.; Tents--Colorado--Platoro--1910-1920.

    • [between 1910 and 1920?]
    • Emmett Mine, Leadville

    • Emmett Mine, Leadville

    • A Colorado National Guardsman stands on a hill and looks over the Emmett Mine in Leadville (Lake County), Colorado. The soldier guards the mining property during a labor dispute between mine owners and miners who belonged to the Western Federation...

    • Colorado. National Guard.--1890-1900.; Western Federation of Miners--Strikes--1890-1900.; Emmett Mine (Lake County, Colo.)--1890-1900.; Leadville (Colo.)--1890-1900.; Guards--Colorado--Leadville--1890-1900.;...

    • 1896
    • Children of the Cherry Tree Home, working on irrigation project

    • Children of the Cherry Tree Home, working on irrigation project

    • Boys in overalls and straw hats use hoes to enlarge an irrigation ditch near the Cherry Tree Home (Amity Colony Children's Home) in Amity (Prowers County), Colorado. The home sits behind the boys. Shows a two-story structure with mansard roof, a...

    • Cherry Tree Home (Amity, Colo.)--1900-1910.; Amity (Colo.)--1900-1910.; Boys--Colorado--Amity--1900-1910.; Digging--Colorado--Amity--1900-1910.; Orphanages--Colorado--Amity--1900-1910.

    • [between 1901 and 1905?]
    • Placer mining near Rich.

    • Placer mining near Rich.

    • View of a placer mining site near possibly Richfield (Conejos County), Colorado; men look at a boom with pulleys and a excavated pit. A cat is by a frame shack.

    • Hoisting machinery--Colorado--1880-1910.; Hydraulic mining--Colorado--1880-1910.

    • [between 1880 and 1910?]
    • Mill and tailings

    • Mill and tailings

    • View of a mine ore processing site in (probably) Colorado; elevator sheds and a tipple with ore car tracks top piles of tailings.

    • Mining--Colorado--1910-1930.; Ore industry--Colorado--1910-1930.

    • [between 1910 and 1930?]
    • Mining

    • Mining

    • View of a mine processing mill in (probably) Colorado; shows smokestacks, mill buildings, ore tramways, pine forest, hills, a water tank and bridges.

    • Mills--Colorado--1910-1930.; Mining--Colorado--1910-1930.; Ore industry--Colorado--1910-1930.

    • [between 1910 and 1930?]
    • Mining

    • Mining

    • View of a mine processing site in (probably) Colorado; shows a mill building and trestle ore car tracks.

    • Mining--Colorado--1910-1930.; Ore industry--Colorado--1910-1930.

    • [between 1910 and 1930?]
    • Gilman Colo and Empire Zinc

    • Gilman Colo and Empire Zinc

    • View near Gilman (Eagle County), Colorado, the Eagle River Canyon, tracks of the Denver and Rio Grande railroad, and Empire Zinc mine buildings.

    • Denver and Rio Grande Railroad Company.; Empire Zinc Mining Company (Colo.)--1910-1930.; Mine buildings--Colorado--Eagle County--1910-1930.; Rivers--Colorado--Eagle County--1910-1930.; Eagle River (Colo.)--1910-1930.; Gilman (Colo.)--1910-1930.;...

    • [between 1910 and 1930?]
    • Empire Zinc Mill

    • Empire Zinc Mill

    • View of an Empire Zinc Company mill and processing sheds in (possibly) Salida (Chaffee County), Colorado. Smokestacks, a locomotive, ore and freight cars dot the area; desert hills are in the background.

    • Empire Zinc Mining Company (Colo.)--Buildings--1910-1930.; Mills--Colorado--1910-1930.; Mine buildings--Colorado--1910-1930.; Mining--Colorado--1910-1930.

    • [between 1910 and 1930?]
    • Unidentified mine

    • Unidentified mine

    • A man uses a pick at a mine entrance near (possibly) Salida (Chaffee County), Colorado.

    • Miners--Colorado--Chaffee County--1910-1930.; Chaffee County (Colo.)--1910-1930.; Mining--Colorado--Chaffee County--1910-1930.

    • [between 1910 and 1930?]
    • Platoro Mining District

    • Platoro Mining District

    • View of mine buildings and tailings piles in the Platoro - Gilmore Mining District (Conejos County), Colorado; pine forest covers hills in the background.

    • Conejos County (Colo.)--1910-1930.; Mine buildings--Colorado--Conejos County--1910-1930.; Mining--Colorado--Conejos County--1910-1930.; Tailings embankments--Colorado--Conejos County--1910-1930.

    • [between 1910 and 1930?]
    • Scene in the La Plata mining district

    • Scene in the La Plata mining district

    • View of mine or mill sheds, smokestacks, ore car tracks, and snow capped mountains in La Plata County Colorado.

    • La Plata County (Colo.)--1910-1920.; Mills--Colorado--La Plata County--1910-1920.; Mining--Colorado--La Plata County--1910-1920.

    • [between 1910 and 1920?]
    • Assay Office, Argent M Co. Gilmore Property

    • Assay Office, Argent M Co. Gilmore Property

    • Men pose by an abandoned log cabin identified as the Argent Mining Company Assay Office, on the Gilmore Property in the Platoro Mining District, Conejos County, Colorado.

    • Conejos County (Colo.)--1910-1920.; Log cabins--Colorado--Conejos County--1910-1920.; Miners--Colorado--Conejos County--1910-1920.; Mining--Colorado--Conejos County--1910-1920.

    • [between 1910 and 1920?]
    • The Valley Queen Mine, Platoro, Colorado

    • The Valley Queen Mine, Platoro, Colorado

    • View of the Valley Queen mine shed and headframe in Platoro (Conejos) County, Colorado; a man sits and rolls a cigarette.

    • Conejos County (Colo.)--1910-1920.; Valley Queen Mine (Conejos County, Colo.)--1910-1920.; Mine buildings--Colorado--Conejos County--1910-1920.; Mining--Colorado--Conejos County--1910-1920.

    • [between 1910 and 1920?]
    • Battle Mountain - Empire Zinc Co.

    • Battle Mountain - Empire Zinc Co.

    • View of the Wilkesberry Shaft House, machine shop, and store room of the Empire Zinc Company on Battle Mountain, Gilman, Eagle County, Colorado.

    • Empire Zinc Mining Company (Colo.)--Buildings--1910-1930.; Mine buildings--Colorado--Eagle County--1910-1930.; Eagle County (Colo.)--1910-1930.; Gilman (Colo.)--1910-1930.; Mining--Colorado--Eagle County--1910-1930.

    • [between 1910 and 1930?]
    • Platoro Mining District

    • Platoro Mining District

    • View of abandoned mine or mill sheds in the Platoro District, in (Conejos) County, Colorado; jagged, rocky slopes are in the background.

    • Conejos County (Colo.)--1910-1920.; Abandoned buildings--Colorado--Conejos County--1910-1920.; Mine buildings--Colorado--Conejos County--1910-1920.; Mining--Colorado--Conejos County--1910-1920.

    • [between 1910 and 1920?]
    • Portal to Miser Miser Mine, scene of Foster - Hook strike

    • Portal to Miser Miser Mine, scene of Foster - Hook strike

    • Panoramic view of Miser Mine sheds and a log cabin in the Platoro District, (Conejos) County, Colorado; men pose by debris and abandoned machinery.

    • Conejos County (Colo.)--1910-1920.; Miser Mine (Conejos County, Colo.)--1910-1920.; Log cabins--Colorado--Conejos County--1910-1920.; Miners--Colorado--Conejos County--1910-1920.; Mining--Colorado--Conejos County--1910-1920.

    • [between 1910 and 1920?]
    • Mine in the Platoro Mining District, Colo

    • Mine in the Platoro Mining District, Colo

    • Men pose by a mine entrance in the Platoro District near Stunner (Conejos County), Colorado; one leans on an ore car. Sticks of dynamite are on the ground; tailings and a shed are up the hill.

    • Stunner (Colo.)--1910-1920.; Miners--Colorado--Stunner--1910-1920.; Mining--Colorado--Stunner--1910-1920.

    • [between 1910 and 1920?]
    • Gilmore, the actual site of the first of the recent discoveries

    • Gilmore, the actual site of the first of the recent discoveries

    • View of Gilmore, a settlement in the Platoro District, (Conejos) County, Colorado; shows log houses, tents, a wagon, a meadow, a feed trough, pine forest, hills, and fire damaged timber.

    • Conejos County (Colo.)--1910-1920.; Mining--Colorado--Conejos County--1910-1920.; Settlements--Colorado--Conejos County--1910-1920.

    • [between 1910 and 1920?]
    • Platoro mining district

    • Platoro mining district

    • Men stand by rock outcroppings and mineral deposits in the Platoro District, (Conejos) County, Colorado; one man holds a cloth bag of (probably) geological samples.

    • Platoro (Colo.)--1900-1920.; Miners--Colorado--Platoro--1900-1920.; Mining--Colorado--Platoro--1900-1920.; Rock formations--Colorado--Platoro--1900-1920.

    • [between 1900 and 1920?]
    • Platoro mining district

    • Platoro mining district

    • Men stand by abandoned sheds, ore cars, a log cabin, and pipes at the Miser Mine in the Platoro District, (Conejos) County, Colorado.

    • Miser Mine (Conejos County, Colo.)--1900-1920.; Platoro (Colo.)--1900-1920.; Abandoned mines--Colorado--Platoro--1900-1920.; Log cabins--Colorado--Platoro--1900-1920.; Miners--Colorado--Platoro--1900-1920.; Mining--Colorado--Platoro--1900-1920.

    • [between 1900 and 1920?]
    • Platoro mining district

    • Platoro mining district

    • View of Lookout Mountain from Gilmore Meadow near Stunner in the Platero Mining District (Conejos County), Colorado. Shows felled timber, pine forest, hills, and a road.

    • Lookout Mountain (Conejos County, Colo.)--1900-1920.; Stunner (Colo.)--1900-1920.; Mining--Colorado--Stunner--1900-1920.

    • [between 1900 and 1920?]
    • Platoro Mining District

    • Platoro Mining District

    • View of a mine entrance in the Platoro District, in (Conejos) County, Colorado; scrub trees cover slopes.

    • Conejos County (Colo.)--1910-1920.; Mining--Colorado--Conejos County--1910-1920.

    • [between 1910 and 1920?]
    • Platoro mining district

    • Platoro mining district

    • View of the Platoro District, Conejos County, Colorado; shows felled timber, pine forest, hills, and steep slopes.

    • Conejos County (Colo.)--1900-1920.; Mining--Colorado--Conejos County--1900-1920.

    • [between 1900 and 1920?]
    • Aug M. Co. Gilman Property, Platoro Mining District

    • Aug M. Co. Gilman Property, Platoro Mining District

    • Men pose by a mine entrance in the Platoro District near Stunner (Conejos County), Colorado; one has an ax, the other has a framing square. Wood, ties, and snow surround them.

    • Stunner (Colo.)--1900-1920.; Miners--Colorado--Stunner--1900-1920.; Mining--Colorado--Stunner--1900-1920.

    • [between 1900 and 1920?]
    • Platoro Mining District

    • Platoro Mining District

    • View of Terrace Reservoir on the Alamosa River in Conejos County, Colorado; low hills and trees surround the water.

    • Denver and Rio Grande Railroad Company.; Conejos County (Colo.)--1900-1920.; Terrace Reservoir (Colo.)--1900-1920.; Reservoirs--Colorado--Conejos County--1900-1920.

    • [between 1900 and 1920?]
    • Platoro Mining District

    • Platoro Mining District

    • View of a winding dirt road , the toll road around Terrace Reservoir, in the Platero Mining District in Conejos County, Colorado. The Alamosa River and canyon are in the distance.

    • Alamosa River (Colo.)--1900-1920.; Conejos County (Colo.)--1900-1920.; Dirt roads--Colorado--Conejos County--1900-1920.; Rivers--Colorado--Conejos County--1900-1920.; Toll roads--Colorado--Conejos County--1900-1920.

    • [between 1900 and 1920?]
    • Platora [sic]

    • Platora [sic]

    • Men pose by abandoned sheds and tailings in the Platoro District near Stunner (Conejos County), Colorado; snow and trees dot the rocks.

    • Stunner (Colo.)--1900-1920.; Mine Buildings--Colorado--Stunner--1900-1920.; Mining--Colorado--Stunner--1900-1920.

    • [between 1900 and 1920?]
    • Platora [sic] Mining District

    • Platora [sic] Mining District

    • View of Platoro (Conejos County), Colorado; the settlement is in a meadow, surrounded by pine forest and hills. Men stand by felled timber.

    • Platoro (Colo.)--1900-1920.; Cities & towns--Colorado--Platoro--1900-1920.; Mining--Colorado--Platoro--1900-1920.

    • [between 1900 and 1920?]
    • Ouray

    • Ouray

    • View of a mill and railroad tracks in Ouray County, Colorado; slopes and sandstone outcroppings are in the background.

    • Denver and Rio Grande Railroad Company.; Ouray County (Colo.)--1890-1910.; Mills--Colorado--Ouray--1890-1910.; Mining--Colorado--Ouray--1890-1910.; Ore industry--Colorado--Ouray--1890-1910.

    • [between 1890 and 1910?]
    • Platoro mining district

    • Platoro mining district

    • View of the Platoro District, (Conejos County), Colorado; shows felled timber, pine forest, hills, and steep slopes.

    • Conejos County (Colo.)--1900-1920.; Mining--Colorado--Conejos County--1900-1920.

    • [between 1900 and 1920?]
    • Tipple of Turner Mine (Independent) 9 mi north of Walsenburg, Colo

    • Tipple of Turner Mine (Independent) 9 mi north of Walsenburg, Colo

    • View of Denver and Rio Grande railroad tracks, ore cars, and a frame tipple at one of the Turner Mines near Walsenburg (Huerfano County), Colorado.

    • Denver and Rio Grande Railroad Company--1890-1910.; Huerfano County (Colo.)--1890-1910.; Mining--Colorado--Huerfano County--1890-1910.; Tipples--Colorado--Huerfano County--1890-1910.

    • [between 1890 and 1910?]
    • Barlow-Colorow Mine, Rainbow Lode

    • Barlow-Colorow Mine, Rainbow Lode

    • View of Uintah Basin in (Uintah County), Utah; shows Gilsonite mining operations north of Rainbow Junction, Uintah Railway railroad tracks, the Rainbow Vein, a trestle, snow, and sandstone cliffs.

    • Uintah Railway--1890-1910.; Uintah County (Utah)--1890-1910.; Mining--Utah--Uintah County--1890-1910.

    • [between 1890 and 1910?]
    • Limestone quarry near Monarch D&RG

    • Limestone quarry near Monarch D&RG

    • View of the Colorado Fuel & Iron mine at Monarch Pass in Chaffee County, Colorado; shows shaft house, sheds, tailings, and Denver and Rio Grande railroad tracks with cars full of ore.

    • Colorado Fuel and Iron Company--Buildings--1940-1950.; Denver and Rio Grande Railroad Company--1940-1950.; Mine buildings--Colorado--Chaffee County--1940-1950.; Tailings embankments--Colorado--Chaffee County--1940-1950.; Chaffee County...

    • [between 1940 and 1950?]
    • Smuggler Union Mills, near Telluride, Colo

    • Smuggler Union Mills, near Telluride, Colo

    • View of the Pandora Mill and houses near the Smuggler-Union mine in Pandora, San Miguel County, Colorado.

    • Pandora (Colo.)--1910-1920.; Pandora Mill (San Miguel County, Colo.)--1910-1920.; Smuggler Union Mine (San Miguel County, Colo.)--Facilities--1910-1920.; Mills--Colorado--Pandora--1910-1920.; Mining--Colorado--Pandora--1910-1920.

    • [between 1910 and 1920?]
    • Smelter, Salida, Colorado

    • Smelter, Salida, Colorado

    • View of the smelter in Salida, Chaffee County, Colorado; snow capped peaks are in the background.

    • Salida (Colo.)--1910-1920.; Mining--Colorado--Salida--1910-1920.; Smelters--Colorado--Salida--1910-1920.

    • [between 1910 and 1920?]
    • Standard Chemical, Montrose

    • Standard Chemical, Montrose

    • View of the Joe Junior Mill and ore processing buildings (Standard Chemical Company) in Montrose, Montrose County, Colorado; mill buildings and canvas tents are by a pipe flume.

    • Montrose (Colo.)--1920-1930.; Mills--Colorado--Montrose--1920-1930.; Mining--Colorado--Montrose--1920-1930.

    • 1921, January
    • Carnotite mining, Montrose County

    • Carnotite mining, Montrose County

    • View of sandstone cliffs, talus, tailings, trees, and carnotite mine entrances in Montrose County, Colorado.

    • Montrose County (Colo.)--1890-1910.; Mining--Colorado--Montrose County--1890-1910.

    • [between 1890 and 1910?]
    • Smuggler Union Mine and Savage Basin, near Telluride, Colo

    • Smuggler Union Mine and Savage Basin, near Telluride, Colo

    • View of the Smuggler Union Mine and Savage Basin near Telluride (San Miguel County), Colorado; snow covers surrounding peaks.

    • Basins (Geology)--Colorado--San Miguel County--1910-1920.; Savage Basin (Colo.)--1910-1920.; Smuggler Union Mine (San Miguel County, Colo.)--1910-1920.; Mining--Colorado--San Miguel County--1910-1920.

    • [between 1910 and 1920?]
    • Above Telluride, Pandora

    • Above Telluride, Pandora

    • Aerial view of the valley and mountains (including Ingram Peak) above Telluride (San Miguel County), Colorado; shows Smuggler-Union Mining Company (Pandora) buildings (Pandora Mill), Bridal Veil Falls, waterfalls, and Bridal Veil Creek.

    • Bridal Veil Creek (Colo.)--1910-1920.; Pandora (Colo.)--1910-1920.; Pandora Mill (San Miguel County, Colo.)--1910-1920.; Mills--Colorado--Pandora--1910-1920.; Mining--Colorado--Pandora--1910-1920.; Waterfalls--Colorado--Pandora--1910-1920.

    • [between 1910 and 1920?]
    • No 7 level, Old Hundred Mine, near Silverton, Colo

    • No 7 level, Old Hundred Mine, near Silverton, Colo

    • View of a frame boarding house and corrugated metal mine buildings on a precarious slope at the Old Hundred mine, San Juan County, Colorado.

    • Old Hundred Mine (San Juan County, Colo. )--1930-1940.; San Juan County (Colo.)--1930-1940.; Cliffs--Colorado--San Juan County--1930-1940.; Lodging houses--Colorado--San Juan County--1930-1940.; Mine buildings--Colorado--San Juan...

    • [between 1930 and 1940?]
    • New vanadium mill at Rifle

    • New vanadium mill at Rifle

    • View of the United States Vanadium Mining Company mill in Rifle (Garfield County), Colorado; shows metal ore processing sheds, elevator housings, and a smokestack.

    • United States Vanadium Company--Buildings--1910-1930.; Rifle (Colo.)--1910-1930.; Mills--Colorado--Rifle--1910-1930.; Mine buildings--Colorado--Rifle--1910-1930.; Mining--Colorado--Rifle--1910-1930.; Smokestacks--Colorado--Rifle--1910-1930.

    • [between 1910 and 1930?]
    • Mining Montrose area

    • Mining Montrose area

    • View of ore processing buildings near Montrose (Montrose County), Colorado; housing is by an elevator chute.

    • Montrose County (Colo.)--1910-1930.; Mills--Colorado--Montrose County--1910-1930.; Mine buildings--Colorado--Montrose County--1910-1930.; Mining--Colorado--Montrose County--1910-1930.

    • [between 1910 and 1930?]
    • Mining - Salida to Malta area

    • Mining - Salida to Malta area

    • View of ore processing buildings near Salida (Chaffee County), Colorado; tailings are by metal sheds and smokestacks. Snow capped mountains are in the background.

    • Chaffee County (Colo.)--1910-1930.; Industrial facilities--Colorado--Chaffee County--1910-1930.; Mining--Colorado--Chaffee County--1910-1930.; Ore industry--Colorado--Chaffee County--1910-1930.; Smokestacks--Colorado--Chaffee County--1910-1930.

    • [between 1910 and 1930?]
    • Mining - Salida to Malta area

    • Mining - Salida to Malta area

    • View of ore processing buildings near Salida (Chaffee County), Colorado; tailings are by metal sheds and smokestacks. Snow capped mountains are in the background; cars and trucks are in the lot.

    • Chaffee County (Colo.)--1920-1930.; Industrial facilities--Colorado--Chaffee County--1920-1930.; Mining--Colorado--Chaffee County--1920-1930.; Ore industry--Colorado--Chaffee County--1920-1930.

    • [between 1920 and 1930?]
    • Assessment Hole

    • Assessment Hole

    • View of an assessment hole at the Lady Belle mine south of Eagle, Eagle County, Colorado; a man holds a pick.

    • Eagle County (Colo.)--1890-1920.; Lady Belle Mine (Eagle County, Colo.)--1890-1920.; Miners--Colorado--Eagle County--1890-1920.; Mining--Colorado--Eagle County--1890-1920.

    • [between 1890 and 1920?]
    • Lady Belle Mine, Eagle Mining District, Colo.

    • Lady Belle Mine, Eagle Mining District, Colo.

    • Men pose by tailings and scrub trees on a slope at the Lady Belle Mine south of Eagle, Eagle County, Colorado; mountains are in the background.

    • Eagle County (Colo.)--1900-1920.; Lady Belle Mine (Eagle County, Colo.)--1900-1920.; Miners--Colorado--Eagle County--1900-1920.; Mining--Colorado--Eagle County--1900-1920.

    • [between 1900 and 1920?]
    • Mining in the San Juans

    • Mining in the San Juans

    • View of mine buildings, a creek, and the San Juan mountains in San Miguel County, Colorado.

    • San Miguel County (Colo.)--1910-1920.; Mining--Colorado--San Miguel County--1910-1920.; Oil paintings--1910-1920.

    • [between 1910 and 1920?]
    • The new Eagle Mining District, Colorado

    • The new Eagle Mining District, Colorado

    • View of the Eagle Mining District south of Eagle, Eagle County, Colorado. Men stand by scrub vegetation; Horse Mountain is in the background.

    • Eagle County (Colo.)--1900-1920.; Horse Mountain (Eagle County, Colo.)--1900-1920.; Mining--Colorado--Eagle County--1900-1920.; Mountains--Colorado--Eagle County--1900-1920.

    • [between 1900 and 1920?]
    • The new Eagle Mining District, Colorado

    • The new Eagle Mining District, Colorado

    • Men pose by the Lady Belle mine entrance south of Eagle, Eagle County, Colorado; one man shovels ore into a canvas bag.

    • Eagle County (Colo.)--1900-1920.; Lady Belle Mine (Eagle County, Colo.)--1900-1920.; Miners--Colorado--Eagle County--1900-1920.; Mining--Colorado--Eagle County--1900-1920.

    • [between 1900 and 1920?]

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