Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym POTB is...

POTB is

  • Port of Tillamook Bay Railroad

POTB is also in:

Acronym Definition Searched: RZH MENC AAR DEU 07933 REINSW CMAB BOOTP 43740 02165 SOUV TK AOS FIST MB