New roller coaster will flip you upside down 9 times, CNN
Kennywood's Steel Curtain Roller Coaster Opens July 13
Steel Curtain - Coasterpedia - The Roller Coaster and Flat Ride Wiki
The Steel Curtain Debuts At Kennywood - Coaster101
14 inversions of dizziness : r/rollercoasters
List of roller coaster rankings - Wikiwand
Pittsburgh Steelers players are among first to ride Kennywood's new Steel Curtain roller coaster