at 3818 Ruby Ave. Kansas City, which was added to the National Register of Historic Places in 1975. The Kansas City Smelting and Refining Company employed over 250 men during the 1880s. The ore and base bullion is received from the mountains' mining districts and is crushed, separated and refined.

The Delaware Crossing (or "Military Crossing"; sometimes "the Secondine") was where the old Indian trail