You know you're from (fill in the blank) if you are a member of a Facebook nostalgia group

The memories are flowing on the “You know you’re from Columbia PA if” Facebook group, which began just a month ago and already has more than 4,000 members.

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http://m.lancasteronline.com/news/local/you-know-you-re-from-fill-in-the-blank-if/article_88a2fe80-b051-11e3-b70d-001a4bcf6878.html?mode=jqm