Thornton Quarry is one of the largest aggregate quarries in the world, located in Thornton, Illinois just south of Chicago. The quarry is 1.5 miles (2.4 km) long, 0.5 miles (0.80 km) wide, and 450 …

Thornton Quarry is one of the largest aggregate quarries in the world,. The quarry is 1.5 mile long, 0.5 miles wide, and 450 feet deep at its deepest point. The Quarry is so vast that the entire …

Tours of the Thornton Quarry take place on the first Saturday of June and October. All guests must be 18 years old. Proceeds benefit the Thornton Historical Society. You may request …

Feb 13, 2025 · If you have ever been interested in taking a tour of one of the largest commercial stone quarries in the world and would like to view the overall structure of a fossil reef- the most …

Aug 5, 2023 · Thornton Quarry, in Thornton, Illinois, has an ever-growing waiting list of hopefuls awaiting a chance to descend to the lower rings of limestone tunnels and mining operations for …

Thornton Quarry is one of the largest commercial stone quarries in the world. It consists of three large quarries connected by tunnels and is operated by the Material Service Corporation, …

Thornton Quarry rock is uniquely recognizable by black flecks of asphalt mixed in with highly fossilferous reef rock. Thornton Quarry rocks kept half (or less) submerged in household …

Sep 22, 2015 · Lehigh Hanson's Thornton Quarry is a growing attraction in Thornton, Ill. Tours of the quarry are booked through 2022.

Jun 3, 2023 · Thornton Quarry Today might have been the best field trip I’ve ever taken: a trip into the Thornton Quarry, the second-largest quarry in the world. Second photo shows the oldest …

Jun 3, 2012 · 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 …