A group of miners stands in front of the Belcher Mine near Silverton in San Juan County, Colorado. Three more men stand at the top of the mine. A group of pack burros stands on the ridge in the right midground.
Belcher Mine (San Juan County, Colo.)--1870-1900.; San Juan County (Colo.)--1870-1900.; Donkeys--Colorado--San Juan County--1870-1900.; Miners--Colorado--San Juan County--1870-1900.; Mining--Colorado--San Juan County--1870-1900.
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.
View of the Alameda Avenue trolley car underpass construction site in Denver, Colorado. Workmen work near a tractor and crane. A sign on a nearby building reads: "The Call Automatic Switch Co. Inc."
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Hoisting machinery--Colorado--Denver--1900-1910.;...
View, facing west, of the nearly completed Alameda Avenue trolley car underpass and railroad viaduct in Denver, Colorado. A sign on a nearby building reads: "The Call Automatic Switch Co."
View of Alameda Avenue underpass construction in Denver, Colorado; shows excavation, men working with a steam shovel, the railroad bridge, a handcar, and building with sign: "The Call Automatic Switch Company."
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Railroad bridges--Colorado--Denver--1900-1910.; Steam...
View of Alameda Avenue underpass construction in Denver, Colorado; shows concrete forms, crane tracks, excavation, and men working. Building reads: "The Call Automatic Switch Company."
View of Alameda underpass construction in Denver, Colorado; shows excavation, horse, men, railroad tracks, and a business with sign: "The Call Automatic Switch Co."
Outdoor portrait of men in World War One military uniforms by an automatic, tripod mounted rifle with ammunition on a (probably) Denver, Colorado sidewalk; automobiles are parked in the street.
World War, 1914-1918--Military personnel--Colorado--Denver.; Denver (Colo.)--1910-1920.; Men--Colorado--Denver--1910-1920.; Military uniforms--American--1910-1920.; Rifles--Colorado--Denver--1910-1920.
Outdoor portrait of men in World War One military uniform by an automatic, tripod mounted rifle with ammunition on a (probably) Denver, Colorado sidewalk; automobiles are parked in the street.
World War, 1914-1918--Military uniforms--Colorado--Denver.; Denver (Colo.)--1910-1920.; Men--Colorado--Denver--1910-1920.; Rifles--Colorado--Denver--1910-1920.
Shows workmen at the Alameda Avenue underpass construction site in Denver, Colorado. A McCabe and Steen steam shovel is nearby. A sign on a building reads: "The Call Automatic Switch Company [M]anufrs Of Hand Tower & Automatic Ry. Switches".
Workmen on horseback drive teams of horses toward the Alameda Avenue subway construction site in Denver, Colorado. Railroad tracks and a sign that reads: "The Call Automatic Switch Company" are nearby.
Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Horseback riding--Colorado--Denver--1900-1910.; Horses--Colorado--Denver--1900-1910.
A workman drives a horse-drawn grader at the Alameda Avenue underpass construction site in Denver, Colorado. Another man stands nearby. A sign that reads: "The Call Automatic Switch Company" is on a nearby building.
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Graders (Earthmoving machinery)--Colorado--Denver--1900-1910.;...
Workmen pose at the Alameda Avenue underpass construction site in Denver, Colorado. Other men use horse-drawn graders to level the ground nearby. A sign on a building in the distance reads: "The Call Automatic Switch Company".
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Graders (Earthmoving machinery)--Colorado--Denver--1900-1910.;...
View of the Alameda Avenue underpass construction site in Denver, Colorado. A horse-drawn temporary railroad with side-dump cars is nearby. A sign on a nearby building reads: "The Call Automatic Switch [Co]".
A workman uses a horse-drawn grader at the Alameda Avenue underpass construction site in Denver, Colorado. Other men stand nearby. A sign on a building in the distance reads: "The Call Automatic Switch Company".
Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.; Graders (Earthmoving machinery)--Colorado--Denver--1900-1910.;...
Workmen load side-dump railcars on temporary railroad tracks at the Alameda Avenue underpass construction site in Denver, Colorado. A sign on a nearby building reads: "The Call Automatic Switch Co."
Dump cars--Colorado--Denver--1900-1910.; Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.; Construction--Colorado--Denver--1900-1910.
Workmen sit on the edge of wood forms, at the Alameda Avenue underpass construction site, in Denver, Colorado. A nearby sign on a building reads: "The Call Automatic Swit[ch Co.] Manufrs. Of Hand Tower & Automatic Ry. Switches".
Concrete construction--Colorado--Denver--1900-1910.; Underpasses--Colorado--Denver--1900-1910.; Denver (Colo.)--1900-1910.; Construction workers--Colorado--Denver--1900-1910.
Workmen use horse drawn graders to level the ground at the Alameda Avenue underpass construction site in Denver, Colorado. Horse-drawn wagons and carts are nearby. A sign on a building in the distance reads: "The Call Automatic Switch Co."
View of Alameda Avenue underpass construction in Denver, Colorado; shows a crane, excavations, and a building with letters: "The Call Automatic Switch Company."
View of Alameda underpass construction in Denver, Colorado; shows excavation, the railroad bridge, horses, men, houses, and a building with sign: "The Call Automatic Switch Company."
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.
Close-up view of a political cartoon that depicts a dog listening to a telephone. Text includes: "'His Maters Value,'" "Promotor," "Los Angeles Capitalists," "Automatic Telephone $$$," and "It Only Works One Way."
Political cartoons--Colorado--1900-1910.; Telephone industry--Colorado--1900-1910.
Close-up view of a political cartoon that depicts a man with a bag of money standing near Denver, Colorado. Text includes: "Los Angeles," "Automatic Telephone Co.," and "This money goes back to Los Angeles."
Political cartoons--Colorado--1900-1910.; Telephone industry--Colorado--1900-1910.