View of construction in the interior of the Colorado Telephone Company Building at 1421 Champa St, Denver, Colorado. Shows brick walls and iron beams. A vat for mixing mortar sits on wood scaffolding and a ladder rests against the wall.
Colorado Telephone Company--Buildings--1900-1910.; Denver (Colo.)--1900-1910.; Building construction--Colorado--Denver--1900-1910.; Interiors--Colorado--Denver--1900-1910.; Telephone companies--Colorado--Denver--1900-1910.
View of a liquid filled classifier in the Rico Argentine Mining Company Mine processing building near the town of Rico (Dolores County), Colorado. Fluid sprays from a pipe and belt driven machinery is mounted on an iron beam over the vat.
Rico (Colo.)--1930-1950.; Rico Argentine Mining Company Mine (Dolores County, Colo.)--1930-1950.; Interiors--Colorado--Rico--1930-1950.; Machinery--Colorado--Rico--1930-1950.; Mining--Colorado--Rico--1930-1950.; Ore...
A pulping machine in a canning plant in the town of Delta, Colorado, in Delta County drips juice into a large wooden vat. A worker wearing an apron and a hat dumps tomatoes into the machine's chute. Other workers are in the background.
A man wearing a suit stands in an aisle near several large vats at the Great Western Sugar Company in Greeley, Colorado in Weld County. Each vat has a large valve. Factory workers sit and stand on top of the vats.
Great Western Sugar Company--1900-1910.; Greeley (Colo.)--1900-1910.; Industrial facilities--Colorado--Greeley--1900-1910.; Interiors.; Sugar industry--Colorado--Greeley--1900-1910.
Convicts in striped shirts at the State Penitentiary, in Canon City, Colorado, work at a machine with rollers; it is producing thin, wet strips that are collected in a vat. Interior windows and electric lamps are in the background.
Canon City (Colo.)--1930-1940.; Interiors.; Prison laborers--Colorado--Canon City--1930-1940.; Prisons--Colorado--Canon City--1930-1940.; Weaving--Colorado--Canon City--1930-1940.; Colorado State Penitentiary.
View of the remnants of the ball mill for the Saints John Mine in the ghost town of Saints John (Saint John, Coleyville) in Summit County, Colorado. Shows an iron cylindrical enclosed flotation vat with a large gear, flywheel and cam shaft. A...
Saints John (Colo.)--1960-1970.; Machinery--Colorado--Saints John--1960-1970.; Mills--Colorado--Saints John--1960-1970.; Ore industry--Colorado--Saints John--1960-1970.