Originally Posted by
thebigspendur
You want some good old American Slate? Here's what you do. Go to Wurtzboro New York. The is an old abandoned railroad tunnel that goes under the state highway. The tunnel is almost a mile long and is rock cut. The entire tunnel is cut through slate. if you go in there are huge chunks that have fallen from the ceiling and it's there for the taking by the ton. Of course if you go in and a chunk falls on you don't blame me-har har.