View of London Butte Mine buildings, tailings, snow, and cars near Alma (Park County), Colorado.
Mine buildings--Colorado-- Alma--1920-1940.; Alma (Colo.)--1920-1940.; London Butte Mine (Park County, Colo.)--1920-1940.; Mining--Colorado--Alma--1920-1940.
London Butte Mine workers smile and pose with lunch boxes near Alma (Park County), Colorado. They ride on a funicular foot car.
Miners--Colorado-- Alma--1920-1940.; Alma (Colo.)--1920-1940.; London Butte Mine (Park County, Colo.)--1920-1940.; Cable railroads--Colorado--Alma--1920-1940.; Mining--Colorado--Alma--1920-1940.
Interior view of flotation cells at the Smuggler Union Pandora (Veta Mines) ore processing facility in San Miguel County, Colorado. Shows slurry and belt drive agitators.
Pandora (Colo.)--1930-1950.; Pandora Mill (San Miguel County, Colo.)--1930-1950.; Interiors--Colorado--Pandora--1930-1950.; Mills--Colorado--Pandora--1930-1950.; Mining--Colorado--Pandora--1930-1950.
View of the flotation mill at the Smuggler Union Pandora (Veta Mines) ore processing facility in San Miguel County, Colorado. Shows sheds and tailings.
Pandora (Colo.)--1930-1950.; Pandora Mill (San Miguel County, Colo.)--1930-1950.; Mills--Colorado--Pandora--1930-1950.; Mining--Colorado--Pandora--1930-1950.
Interior view at the Smuggler Union Pandora (Veta Mines) in San Miguel County, Colorado; a man dumps ore through a hole in the floor.
Pandora (Colo.)--1940-1950.; Pandora Mill (San Miguel County, Colo.)--1940-1950.; Interiors--Colorado--Pandora--1940-1950.; Mills--Colorado--Pandora--1940-1950.; Miners--Colorado--Pandora--1940-1950.; Mining--Colorado--Pandora--1940-1950.
Interior view at the Smuggler Union Pandora (Veta Mines) in San Miguel County, Colorado; a man monitors ore processing machinery.
Pandora (Colo.)--1940-1950.; Pandora Mill (San Miguel County, Colo.)--1940-1950.; Interiors--Colorado--Pandora--1940-1950.; Laborers--Colorado--Pandora--1940-1950.; Mills--Colorado--Pandora--1940-1950.; Mining--Colorado--Pandora--1940-1950.
Men smile and pose in an office at the Smuggler Union Pandora (Veta Mines) in San Miguel County, Colorado. A pin-up girl calendar is on the wall.
Pandora (Colo.)--1940-1950.; Pandora Mill (San Miguel County, Colo.)--1940-1950.; Interiors--Colorado--Pandora--1940-1950.; Mills--Colorado--Pandora--1940-1950.; Mining--Colorado--Pandora--1940-1950.; Offices--Colorado--Pandora--1940-1950.
Interior view of a machine shop at the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado. Men work in a corrugated steel shed.
Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Interiors--Colorado--Grand County--1940-1950.; Machine shops--Colorado--Grand County--1940-1950.
Men stand by a muck train that emerges from the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado. Sign reads: "Positively No Admittance."
Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Cable railroads--Colorado--Grand County--1940-1950.; Construction workers--Colorado--Grand County--1940-1950.; Construction--Colorado--Grand County--1940-1950.; Hydraulic...
Men pose by cable driven cars inside the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado.
Colorado-Big Thompson Project (U.S.)--People--1940-1950.; Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Cable railroads--Colorado--Grand County--1940-1950.; Construction workers--Colorado--Grand County--1940-1950.;...
Men examine metal shoring near the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado
Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Construction workers--Colorado--Grand County--1940-1950.; Hydraulic facilities--Colorado--Grand County--1940-1950.; Interiors--Colorado--Grand County--1940-1950.;...
G.E. Stoffer pulls on the power cable arm of a Denver Tramway Corporation trolley car, in a Denver, Colorado, garage.
Denver Tramway Corporation (Denver, Colo.)--1940-1950.; Garages--Colorado--Denver--1940-1950.; Interiors--Colorado--Denver--1940-1950.; Street railroads--Colorado--Denver--1940-1950.; Stoffer, G. E.
G.E. Stoffer examines electrical components of a Denver Tramway Corporation trolley car, in a Denver, Colorado garage. Logo reads: "DTC."
Denver Tramway Corporation (Denver, Colo.)--1940-1950.; Garages--Colorado--Denver--1940-1950.; Interiors--Colorado--Denver--1940-1950.; Street railroads--Colorado--Denver--1940-1950.; Stoffer, G. E.
Men smile and pose at night by a metal building and a sign: "Office Platt Rogers, Inc. Contractors - Continental Divide Tunnel at the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand...
Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Men--Colorado--Grand County--1940-1950.; Metal buildings--Colorado--Grand County--1940-1950.; Night--Colorado--Grand County--1940-1950.
Men work with metal shoring near the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel), part of the Colorado Big Thompson project, in Grand County, Colorado
Colorado-Big Thompson Project (U.S.)--People--1940-1950.; Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Construction--Colorado--Grand County--1940-1950.; Hydraulic facilities--Colorado--Grand County--1940-1950.;...
Men work near the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand County, Colorado. Shows metal shoring, a cable railroad car, and canvas ventilation tubing.
Colorado-Big Thompson Project (U.S.)--People--1940-1950.; Grand County (Colo.)--1940-1950.; Construction workers--Colorado--Grand County--1940-1950.; Construction--Colorado--Grand County--1940-1950.; Hydraulic facilities--Colorado--Grand...
Men, possibly Walles Kane and Robert Morris, converse at a desk; one holds a pipe, the other wears a hard hat in an office at the West Portal of the Alva B. Adams Tunnel (Continental Divide Tunnel) of the Colorado Big Thompson project in Grand...
Alva B. Adams Tunnel (Colo.)--1940-1950.; Grand County (Colo.)--1940-1950.; Conversation--Colorado--Grand County--1940-1950.; Interiors--Colorado--Grand County--1940-1950.; Men--Colorado--Grand County--1940-1950.; Offices--Colorado--Grand...
G.E. Stoffer poses in the driver's seat of a Denver Tramway Corporation trolley car in Denver, Colorado.
Denver Tramway Corporation (Denver, Colo.)--1940-1950.; Interiors--Colorado--Denver--1940-1950.; Street railroads--Colorado--Denver--1940-1950.; Stoffer, G. E.
A man works with a stamp mill by a forge at the Slide Mine is probably Boulder County, Colorado. Embossed letters on the machinery read: "Gardner Denver."
Boulder County (Colo.)--1940-1950.; Slide Mine (Boulder County, Colo.)--1940-1950.; Employees--Colorado--Boulder County--1940-1950.; Founding--Colorado--Boulder County--1940-1950.; Interiors--1940-1950.
Men pose by the mouth of the Carlton Tunnel in Teller County, Colorado. Mine drainage pipes are by rail tracks; letters read: "1939-1941 Safety First - Carlton Tunnel." Pine boughs and a painted cross adorn the concrete entrance.
Carlton Tunnel (Teller County, Colo.)--1940-1950.; Teller County (Colo.)--1940-1950.; Christmas decorations--Colorado--Teller County--1940-1950.; Mining--Colorado--Teller County--1940-1950.; Night--Colorado--Teller County--1940-1950.;...
Men laugh and smile by the mouth of the Carlton Tunnel in Teller County, Colorado. Mine drainage pipes, rail tracks, and stairs flank the crowd; outfits include suits, ties, sweaters, and fedora hats. Letters read: "1939-1941 Safety First - Carlton...
Carlton Tunnel (Teller County, Colo.)--1940-1950.; Teller County (Colo.)--1940-1950.; Christmas decorations--Colorado--Teller County--1940-1950.; Mining--Colorado--Teller County--1940-1950.; Night--Colorado--Teller County--1940-1950.;...
Construction superintendents laugh and smile by the mouth of the Carlton Tunnel in Teller County, Colorado. Mine drainage pipes and rail tracks flank the men; one man is unusually tall, and another wears jodhpurs. Letters read: "1939-1941 Safety...
Carlton Tunnel (Teller County, Colo.)--1940-1950.; Teller County (Colo.)--1940-1950.; Christmas decorations--Colorado--Teller County--1940-1950.; Men--Colorado--Teller County--1940-1950.; Mining--Colorado--Teller County--1940-1950.;...
A man works in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado. Shows a steam shovel and a dump truck. Letters read: "Ed. H. Honnen Construction Co."
Construction workers--Colorado--1940-1950.; Dump trucks--Colorado--1940-1950.; Excavation--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Steam shovels--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
Men work in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; sticks of dynamite are in holes, and water covers the floor.
Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
A man carries a dynamite crate into a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; drainage pipes and rail tracks line the bore.
Clear Creek County (Colo.)--1940-1950.; Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
View of Clear Creek canyon in Clear Creek County or Jefferson County, Colorado; railroad tracks, sheds, and fuel tanks edge the water.
Clear Creek (Clear Creek County, Colo.)--1940-1950.; Clear Creek Canyon (Colo.)--1940-1950.; Canyons--Colorado--1940-1950.; Streams--Colorado--1940-1950.
Men work in a a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; they attach fuses to dynamite, and water covers the floor.
Clear Creek County (Colo.)--1940-1950.; Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Interiors--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
Men in hard hats pose in the Carlton Tunnel in Teller County, Colorado; sign reads: "Carlton Tunnel 5 Miles 513 Days." Chalk lines show proposed bore for the mine drainage project.
Carlton Tunnel (Teller County, Colo.)--1940-1950.; Teller County (Colo.)--1940-1950.; Miners--Colorado--Teller County--1940-1950.; Mining--Colorado--Teller County--1940-1950.; Tunnels--Colorado--Teller County--1940-1950.
Men in hard hats pose in the Carlton Tunnel in Teller County, Colorado; sign reads: "Carlton Tunnel 5 Miles 513 Days." Chalk lines show proposed bore for the mine drainage project.
Carlton Tunnel (Teller County, Colo.)--1940-1950.; Teller County (Colo.)--1940-1950.; Miners--Colorado--Teller County--1940-1950.; Mining--Colorado--Teller County--1940-1950.; Tunnels--Colorado--Teller County--1940-1950.
Men pose in a maintenance car by the mouth of the Carlton Tunnel in Teller County, Colorado. Mine drainage pipes are by rail tracks; letters read: "1939-1941 Safety First - Carlton Tunnel." Hard hats read: "J. G. Farmer," "D. P. Tanner," "M....
Carlton Tunnel (Teller County, Colo.)--1940-1950.; Teller County (Colo.)--1940-1950.; Miners--Colorado--Teller County--1940-1950.; Mining--Colorado--Teller County--1940-1950.; Tunnels--Colorado--Teller County--1940-1950.
Men in hard hats place dynamite in a highway tunnel on Highway 6 in Jefferson County or Clear Creek County, Colorado; modular pipe shoring is by a dynamite crate with letters: "DuPont."
Construction workers--Colorado--1940-1950.; Explosives--Colorado--1940-1950.; Road construction--Colorado--1940-1950.; Tunnels--Colorado--1940-1950.
A man loads dynamite onto a lift at the Alma Lincoln Mine in Idaho Springs (Clear Creek County, Colorado; crates read: "Hercules Powder - Hercules Gelamite."
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Explosives--Colorado--Idaho Springs--1940-1950.; Miners--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.
A man examines mineral outcroppings at the Alma Lincoln Mine in Idaho Springs (Clear Creek County), Colorado.
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Mineral deposits--Colorado--Idaho Springs--1940-1950.; Miners--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.
Men smile and laugh by ore cars and sheds at the Alma Lincoln Mine in Idaho Springs (Clear Creek County), Colorado. They wear helmets with lamps; sign reads: "Watch Out For Cars."
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Mine railroads--Colorado--Idaho Springs--1940-1950.; Miners--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.
View of the Alma Lincoln Mine in Idaho Springs (Clear Creek County), Colorado; shows ore car tracks, processing sheds, and Clear Creek.
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Clear Creek (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.; Streams--Colorado--Idaho Springs--1940-1950.
View of the Alma Lincoln Mine in Idaho Springs (Clear Creek County), Colorado; shows ore car tracks, processing sheds, lumber, timber, a truck, tailings, and Clear Creek.
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Clear Creek (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.; Streams--Colorado--Idaho Springs--1940-1950.
View of the Alma Lincoln Mine in Idaho Springs (Clear Creek County), Colorado; shows the mill, ore processing sheds, parked cars, a cement mixer, and a sign: "Alma Lincoln Mining Co."
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Mills--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.; Ore industry--Colorado--Idaho Springs--1940-1950.
Interior view of a welding shop at the Alma Lincoln Mine in Idaho Springs (Clear Creek County), Colorado; a man in a mask uses a "Lincoln Welder." A chart reads: "Murex Heavy Coated Electrodes," and "The Mine and Smelter Supply Company, Denver,...
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Interiors--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.; Welding--Colorado--Idaho Springs--1940-1950.
A man dumps ore cars on a tipple into a processing shed at the Alma Lincoln Mine in Idaho Springs (Clear Creek County, Colorado.
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Mine railroads--Colorado--Idaho Springs--1940-1950.; Miners--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.;...
Interior view of ore processing machinery at the Alma Lincoln Mine mill in Idaho Springs (Clear Creek County), Colorado. A man watches a rotating cylinder.
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Interiors--Colorado--Idaho Springs--1940-1950.; Mills--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.; Ore...
Interior view of a Wilfley table at the Alma Lincoln Mill in Idaho Springs (Clear Creek County), Colorado.
Alma Lincoln Mine (Clear Creek County, Colo.)--1940-1950.; Idaho Springs (Colo.)--1940-1950.; Interiors--Colorado--Idaho Springs--1940-1950.; Mills--Colorado--Idaho Springs--1940-1950.; Mining--Colorado--Idaho Springs--1940-1950.; Ore...