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

GBSR is

  • Georgian Bay & Seaboard Railway

GBSR is also in:

Acronym Definition Searched: CSS SHTF WPB AFN GAF 80453 AVA BGST CSSD UPH 48073 SPIRIT 72958 CIS REGIS