<Ul> <Li> First coaster to reach 100 feet: Cyclone, Revere Beach, Revere, Massachusetts, United States . </Li> </Ul> <Li> First coaster to reach 100 feet: Cyclone, Revere Beach, Revere, Massachusetts, United States . </Li> <Dl> <Dt> 1952 </Dt> <Dd> <Ul> <Li> First junior steel coaster: Little Dipper, Memphis Kiddie Park, Brooklyn, Ohio, United States . It is the world's oldest operating junior steel coaster . </Li> </Ul> </Dd> </Dl> <Dd> <Ul> <Li> First junior steel coaster: Little Dipper, Memphis Kiddie Park, Brooklyn, Ohio, United States . It is the world's oldest operating junior steel coaster . </Li> </Ul> </Dd>

What's the oldest roller coaster in the united states