@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.
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#United Airlines traces its origin to the mid-1920s & 4 airmail routes that would become the backbone of United’s route system. #TheMainLine . This tweet was posted on July 07, 2017.
This tweet mentions the following things involved with the SFO Museum collection:
United Airlines.
It is related to
United Airlines (the company)
.