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

$25.00

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

Additional information

Weight 0.1 lbs