Interesting Threads I Can't Categorize Yet

[Steph]

I don't know where to put this, but it was cool:

Why West Virginia?, or Ohio?

The question was why Ohio and West Virginia had so many marble factories. The answer involved access to silica sand and natural gas. That led to a discussion about silica sand in general, including the high quality sand Peltier used.

1865 Great Lakes Shipwreck Marbles

Someone disputed the date of the marbles in the original post. Still interesting material.