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Description
Handwritten caption on reverse: Palo Alto H.S. Cassandra Hayes and Derek Tucker (seniors at P.A.H.S.) testing for vertical & horizonal gravitational pull on the Grizzly at Great America.
Great America (California) Amusement parks Amusement rides Roller coasters Teenagers High school students (LCSH) Experiments Science (LCSH) Nineteen eighties (LCSH) Palo Alto High School Hayes, Cassandra Tucker, Derek
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