Identify the locations from slides taken in the 1950s

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To the best of my knowledge, these slides represent three different trips. I believe that they are properly ordered, but an astute eye might realize something isn't quite right. My parents traveled to all the states touching Ohio and to the East Coast, and on several occasions they drove to Florida. I believe that the last three slides are from one of those Florida trips. Any information that anyone might recognize would be so helpful. Thank you.

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