Wasn't Crowleys the store with the mezzanine? It was where I first had what was called a Boston Cooler, basically a Vernor's with a scoop or two of vanilla ice cream. My Mom and Aunt both worked there and we would usually end up sitting at the counter.
I would hop on the Van Dyke bus at the corner of Phelps get a transfer ticket and then take the Gratiot bus downtown. Ding Ding, catch the drivers eye and get off.
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