World's largest limestone quarry, over 300 ft deep.

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Another nike anti-aircraft missle site (6.44 mi / 10.37 km)
Carmelite Fathers Shrine (7.04 mi / 11.34 km)
Gary/Chicago International Airport (11.40 mi / 18.35 km)
Illiana Motor Speedway (12.30 mi / 19.79 km)
Ispat Inland Steel (12.43 mi / 20.01 km)
Site of HH Holmes's Murder Castle (14.33 mi / 23.06 km)
University of Chicago (15.07 mi / 24.26 km)
TRANSIENT: Airplane (15.17 mi / 24.42 km)
Museum of Science and Industry (15.21 mi / 24.48 km)
US Steel Yard (baseball stadium) (15.22 mi / 24.50 km)

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