Da Yooper's Rockhound Guide to the

Lower Mine Dump of the Central Mine, Keweenaw Co., MI

\

Look for:

Copper, Silver, Halfbreeds, Greenstone, Thompsonite, Epidote, Prehnite, Laumantite, Ankerite, Calcite,Tenorite, Chrysocolla, Domeykite, Ankerite,

Image, Fall of 2001