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This stone building discovered in Greece is at least 4,000 years old
The 1,800-square-meter building was discovered during excavations for a large airport project at the summit of Papoura Hill. It has eight concentric rings of stone that have an average thickness ...
Northcountrypublicradio.org15d
Potsdam sandstone salvage begins, stone to be saved for repairs on historic buildings
70 buildings in St. Lawrence County are on the National Register of Historic Places, and about 40% are made of Potsdam red sandstone. North Country Now reports that the salvaged stone will be ...