Every day, you might pass by Potsdam sandstone. It can be easy to pick out. Depending where it came from, the stone features different shades of oranges, reds, pinks, and yellow-grays. "The Potsdam ...

Add Yahoo as a preferred source to see more of our stories on Google. There’s an effort north of the Twin Cities to save an old school building in Sandstone. Known as “The Rock,” it was built in 1901 ...

This article tells the story of how sandstone from quarries at Seneca, Maryland, came to be selected as the stone used for constructing the exterior of the Smithsonian Institution Building in ...