What were copper plates used for?
Events - The Academy of Natural Sciences of Drexel University
Copper Plate (Human Figure)
Events - The Academy of Natural Sciences of Drexel University
Programs & Events - The Academy of Natural Sciences of Drexel University
Inside the Collections - HOCU 2691 (U.S. National Park Service)
File:Copper (Mesoproterozoic, 1.05-1.06 Ga; copper mine in the Upper Peninsula of Michigan, USA) 2 (17088054917).jpg - Wikimedia Commons
Exhibits at the Academy - The Academy of Natural Sciences of Drexel University
Science Never Stops - The Academy of Natural Sciences of Drexel University
Mississippian-Copper-Plates
Copper Plate (Human Figure)
Science Never Stops - The Academy of Natural Sciences of Drexel University
Mississippian-Copper-Plates
Academy of Natural Sciences sends visitors to the river - WHYY
Academy of Natural Sciences sends visitors to the river - WHYY