From Script::
(Google Streetview, Western and Belmont Upperside)
Almost a decade later, in 1965 plans had began to become more solidified...
(Wiki, jetstream coaster)
... When a plan had been struck to refurbish the old steel from the Greyhound Roller coaster from Riverview, in plans for the spire of the Illinois...
(Google maps, Daley Plaza)
... But finally, the plan had been scrapped all together by Richard Joseph Daley in 1968...
(Google street veiw, western and belmont, underside)
... due to the park closing and the land being used for a new police headquarters...
(Wiki, DNC 1968)
... not to mention to the DNC disasters earlier that year.
(Wiki, Philly toboggan coasters)
Ironically the Greyhound, a steel roller coaster, was replaced by the wooden jetstream, designed by the Philadelphia Toboggan Coasters company...
(Google street view, Kings Dominion)
... which designed the mirrored forward and backward roller coaster the Rebel Yell, at King's Dominion in Virginia, a childhood favorite of mine...
(Google Maps, Kings dominion)
... which I believe my brother rode forwards then backwards 12 times straight one time.