![0022:0199: US Bureau of Mines Collection - C-840-BC Electrolytic Cell Room Building Seen from Northwest:
The sloping room addition is a laboratory and store room. Two spray-type cooling towers are at the opposite ends of the building with a mechanized evaporative cooler in the center. This building is only partially in use at the present time. The concentrates seen in the foreground are stored on a concrete pad. [duplicate of 0022:0074c; cf. 0022:0210]](https://d8e7jbdw4fu0e.cloudfront.net/4452/6fa05550-d025-11ee-88c0-d5a750d266dc-wzIJIKK.lg-nt@2x.jpg)
US Bureau of Mines Collection - C-840-BC Electrolytic Cell Room Building Seen from Northwest: The sloping room addition is a laboratory and store room. Two spray-type cooling towers are at the opposite ends of the building with a mechanized evaporative cooler in the center. This building is only partially in use at the present time. The concentrates seen in the foreground are stored on a concrete pad. [duplicate of 0022:0074c; cf. 0022:0210]