United States Reduction Company Cyanide Plant Check Sugarloaf & Boulder Colorado 1909

Canceled check from The United States Reduction Company Cyanide Plant located at Sugarloaf mining district in Boulder Colorado. This cyanide plant was completed in 1909 and could handle 150 tons a day.

Date 1909

Dimensions: 8 ¼” by 3-3/16”

Condition (9/10) Shows signs of wear. Two folds. No tears