B&O
| Definition | : | Baltimore and Ohio Railroad |
| Category | : | Transport & Travel » Rail Transport |
| Country/Region | : | United States  |
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What does B&O mean?
Baltimore and Ohio Railroad (reporting mark: B&O) was a railroad in the United States.
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B&O | Bang & Olufsen | |
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B&O | Business and Occupation | |
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B&O | Belladonna and Opium |