The Ernest M. Clayton Photographs consist of 40 (3 inch x 4 inch) glass plate negatives showing the construction of buildings at the Inspiration Mill, the International Smelter, and the Miami Power Plant in Miami, Arizona. The images were made by Clayton, an electrician who worked on these construction projects, between 1902 and 1915.

An EAD guide to this collection can be accessed at Arizona Archives Online.

Displaying 1 - 10 of 40
DescriptionExterior view of the Miami Power Plant showing the main building and train tracks leading to the facility.
DescriptionExterior view of a substation shaft at an Inspiration Copper Company facility.
DescriptionView of a smelter facility under construction. The site shown is most likely the International Smelter Co.'s facility in Miami, Arizona.
DescriptionExterior view of buildings and equipment at the International Smelter Co. facility in Miami, Arizona.
DescriptionView of the main switchboard at an International Smelter Co. facility.
DescriptionExterior view of the main building at the International Smelter Co. facility in Miami, Arizona.
DescriptionExterior view showing the International Smelter Co.'s cooling pond and three adjacent buildings.
DescriptionInterior view of an International Smelter Co. facility showing a row of converters.
DescriptionInterior view of an International Smelter Co. facility showing blowing engines. The original negative shows significant decay.
DescriptionExterior view showing the International Smelter Co.'s crusher, conveyors, and rosters as well as adjacent buildings.