View of construction in the South Platte River bed in Denver, Colorado; shows men working, a crane, and the Alameda Avenue bridge.
Denver (Colo.)--1900-1910.; South Platte River (Colo. and Neb.)--1900-1910.; Bridges--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Hoisting machinery--Colorado--Denver--1900-1910.; Rivers--Colorado--Denver--1900-1910.
View of construction by the South Platte River in Denver, Colorado; shows men working, retaining walls, and the Alameda Avenue bridge.
Denver (Colo.)--1910-1920.; South Platte River (Colo. and Neb.)--1910-1920.; Bridges--Colorado--Denver--1910-1920.; Construction--Colorado--Denver--1910-1920.; Rivers--Colorado--Denver--1910-1920.
View of construction in the South Platte River bed in Denver, Colorado; shows men working, a crane, and the Alameda Avenue bridge.
Denver (Colo.)--1900-1910.; South Platte River (Colo. and Neb.)--1900-1910.; Bridges--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Hoisting machinery--Colorado--Denver--1900-1910.;...
A miner leans in the doorway of the lamp house at the Colorado Fuel & Iron Company mine at Morley (Las Animas County), Colorado. The man wears work clothes, boots, and a cap with an oil wick cap lamp. The lamp building is a small cinder block...
Colorado Fuel and Iron Company--Buildings--1910-1920.; Morley (Colo.)--1910-1920.; Bathhouses--Colorado--Morley--1910-1920.; Coal miners--Colorado--Morley--1910-1920.; Coal mining--Colorado--Morley--1910-1920.; Mine...
View of Alameda underpass construction in Denver, Colorado; shows excavation, men working, and the wooden bridge over the South Platte River.
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; South Platte River (Colo. and Neb.)--1900-1910.; Bridges--Colorado--Denver--1900-1910.; Construction workers--Colorado--Denver--1900-1910.;...
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.
View of Alameda bridge construction in Denver, Colorado; shows the South Platte River, men working, concrete forms, and machinery.
Denver (Colo.)--1900-1910.; South Platte River (Colo. and Neb.)--1900-1910.; Bridge construction--Colorado--Denver--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Rivers--Colorado--Denver--1900-1910.
View of Alameda underpass construction in Denver, Colorado; shows excavation, a dog, men working, horses, and a building with letters: "The Call Automatic Switch Co."
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Excavation--Colorado--Denver--1900-1910.; Horses--Colorado--Denver--1900-1910.
Interior view of the Mountain States Telephone and Telegraph Company exchange in Denver, Colorado; shows women working at a switchboard. Stenciled letters read: "13."
Mountain States Telephone and Telegraph Company--People--1910-1920.; Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Telephone companies--Colorado--Denver--1910-1920.; Telephone operators--Colorado--Denver--1910-1920.;...
Interior view of the Mountain States Telephone and Telegraph Company exchange in Denver, Colorado; shows women working. A woman in a plaid dress and low heeled shoes is by signs: "Miss Fitzsimmons," and "Miss Andrews."
Mountain States Telephone and Telegraph Company--People--1920-1930.; Denver (Colo.)--1920-1930.; Interiors--Colorado--Denver--1920-1930.; Telephone operators--Colorado--Denver--1920-1930.; Telephone switchboards--Colorado--Denver--1920-1930.;...
Interior view of a Mountain States Telephone and Telegraph Company office in Delta (Delta County), Colorado; shows telephone operators working at a switchboard.
Mountain States Telephone and Telegraph Company--People--1910-1920.; Delta (Colo.)--1910-1920.; Interiors--Delta--Denver--1910-1920.; Telephone companies--Delta--Denver--1910-1920.; Telephone operators--Delta--Denver--1910-1920.; Telephone...
View of (probably) Lipan Street in Denver, Colorado; shows the cab of a crane and men working in a ditch with shoring, using chain and pulleys to lower a section of pipe.
Interior view of a metal working shop in Denver, Colorado; shows a man, a grinder, work benches, and window letters: "The Denver Grinding & Filing Shop."
A view of the American Smelting and Refining building in Pueblo, Colorado. Shows factory buildings, piles of working material, railroad tracks and smoke stacks.
Pueblo (Colo.)--1890-1910.; Industrial facilities--Colorado--Pueblo--1890-1910.; Smelters--Colorado--Pueblo--1890-1910.; American Smelting and Refining Company.
Composite of two photographs shows boys at Fort Lupton (Weld County), Colorado, working in beet fields and posing by a canvas tent. They hold hoes and wear bib overalls and hats; men look on.
Fort Lupton (Colo.)--1900-1910.; Beets--Colorado--Fort Lupton--1900-1910.; Boys--Colorado--Fort Lupton--1900-1910.; Juvenile delinquents--Colorado--Denver--1900-1910.