• Underground Tamarack Trammer Car


    National Historical Park Michigan

Project Sisu


Produced by: Lucas Westcott

Written by: Kathleen Harter, Zoe Lincoln


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...