View of the remains of a structure in an abandoned mining camp, Alta, Colorado; shows portion of the building on short stilts that was used to create a level surface to compensate for the shallow incline on which the structure sits; facing facade...
Alta (Colo.)--1960-1970.; Building deterioration--Colorado--Alta--1960-1970.; Mining--Colorado--Alta--1960-1970.
A lone building stands next to a pile of tailings amidst the ruins of the mining town of Alta, Colorado (now a ghost town) in San Miguel County. Boards and debris litter the foreground and the barren hillside.
Alta (Colo.)--1970-1980.; Ghost towns--Colorado--Alta--1970-1980.
Panoramic view of American City (Gilpin County), Colorado. The buildings include the Snug Harbor and Louisiana cabins, the office of the American Mining Company, and the shafthouse of the Mascot Mine.
American Mining Company (Colo.)--Buildings--1890-1910.; Mine buildings--Colorado--American City--1890-1910.; American City (Colo.)--1890-1910.; Mascot Mine (Gilpin County, Colo.)--1890-1910.; Mining--Colorado--American City--1890-1910.
A view across a side canyon or crevasse in the Royal Gorge of Colorado; an unidentified man stands in sunlight on the side of a small bridge in the Gorge; steep, granite rock walls of the crevasse create a curtain of shadow.
Arkansas River--1880-1900.; Royal Gorge (Colo.)--1880-1900.; Canyons--Colorado--1880-1900.; Railroad tracks--Colorado--1880-1900.; Denver and Rio Grande Railroad Company.
Photograph of a seventh grade class at Ashland Elementary School sitting at their desks working on a project.
Ashland School (Denver, Colo.); Jefferson Park (Denver, Colo. : Neighborhood); Denver Public Schools.; Denver (Colo.); Schools--Colorado--Denver.; Denver Public Schools--Archives.; Public schools--Colorado--Denver.