| has gloss | eng: Thornton Quarry is one of the largest aggregate quarries in the world, located in Thornton, Illinois just south of Chicago. Work at the quarry began in 1924 by Colonel Hodgkins, and since 1938 has been operated by the Material Service Corporation. The quarry is 1.5 miles (2.5 km) long, 0.5 miles (1 km) wide, and 400 feet (125 m) deep. Gallagher Asphalt Corporation has been operating on the grounds of the quarry since 1928. A dryland dike carries Interstate 80/Interstate 294/Tri-State Tollway over the quarry. |
