What the 'O' in 'B & O Railroad' stands for

Let's find possible answers to "What the 'O' in 'B & O Railroad' stands for" crossword clue. First of all, we will look for a few extra hints for this entry: What the 'O' in 'B & O Railroad' stands for. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.