Calumet Visitor Center Project - Union Building Background Information

 
Historic Use of the Interior Space of the Union Building, Special Report prepared by Stephanie K. Atwood. (Adobe pdf - 1.26 MB)
 
 
 

Did You Know?

Historic photo: Calumet & Hecla Stamp Mill in Lake Linden

Keweenaw copper milling facilities were normally located along lake shorelines because they used large volumes of water in the milling process and the lakes served as a dumping site for the waste material known as stamp sand. Access to the lake also facilitated shipping and receiving of supplies. More...