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

RIWRB is

  • Rhode Island Water Resources Board

RIWRB is also in:

Acronym Definition Searched: RRB WIAS 40259 HALO DPO SAWG VERA TBN WBTV WHSE WOG PJ JCTCF CFDA YCM