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Thornton Quarry is one of the largest aggregate quarries in the world, located in Thornton, Illinois just south of ChicagoThe quarry is 15 miles (25 km) long, 05 miles (1 km) wide, and 450 feet (13716 m) deep at its deepest point Gallagher Asphalt Corporation has been operating on the grounds of the quarry since 1928...
This is a list of monoliths organized according to the size of the largest block of stone on the site A monolith is a large stone which has been used to build a structure or monument, either alone or together with other ston In this list at least one colossal stone over ten tons has been moved to create the structure or monument In most cases the ancient civilizations had little, if any ....