What does ORRR stand for?

What does ORRR mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ORRR.

We've found a total of 2 definitions for ORRR:

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Ontario & Rainy River Railway

Regional » Railroads

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Oak Ridge Research Reactor

Academic & Science » Research

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"ORRR." Abbreviations.com. STANDS4 LLC, 2016. Web. 13 Feb. 2016. <http://www.abbreviations.com/ORRR>.