None are magnetic
Some are very heavy a few are light
Can’t figure out if it’s some sort of slag or a form of metal
Can anyone help?
I have quite a few
Found along Calumet River near the Ghost ship in South Chicago
Some are very heavy a few are light
Can’t figure out if it’s some sort of slag or a form of metal
Can anyone help?
I have quite a few
Found along Calumet River near the Ghost ship in South Chicago