Under water mysteries continue....

[Salida]

For anyone who likes to dive
or just metal detect the beaches of Wisconsin and Michigan
you should check out these links.

http://frontiers-of-anthropology.blogspot.com/2012/02/lake-superior-mines-old-copper-culture.html
http://www.mpm.edu/collections/artifacts/anthropology/oldcopper/
http://copperculture.homestead.com/

Salida

 

[Sailorman]

That's pretty fascinating stuff.

 

[scubadetector]

I haven't read everything yet BUT in Upper Michigan there are copper mines and people do find primitive copper spear points here. Us Lower Michigan trolls don't find a lot of stuff like that.