Drop Copper Sculpture Size:3-4" Wander the galleries of this

Wander the galleries of this museum whenever you wish—it’s open 365 days a year

Between sizes

It was discovered to science by Pieter Cramer

The bat skull is about 1" long

Drop Copper Sculpture Size:3-4" Wander the galleries of thisCreated by dropping molten copper into water. Michigan's Keweenaw Peninsula is the most important locality in the world for pure native copper. Mining began in 1845 and continued until 1968, with over 5 million tons of refined copper recovered from Michigan's copper mines. In the early 1900s, it led the world in copper production, and "Lake Copper" became the purity standard to which all other refined copper was compared. Long before the industrial