It began construction in 1828.
Baltimore and Ohio railroad
the railroad began in 1830.
Baltimore and Ohio Railroad
The address of the Baltimore And Ohio Railroad Historical Society is: Po Box 24225, Baltimore, MD 21227-0725
The Baltimore and Ohio Railroad.
1838
"B&O" stands for Baltimore and Ohio, a historic railroad company that operated in the United States. It was one of the first commercial railroads in the country, with its origins dating back to the early 19th century.
The Baltimore & Ohio Railroad (B&O).
The Baltimore and Ohio
John T. King has written: '...Guide to Baltimore & Ohio railroad' -- subject(s): Description and travel, Baltimore and Ohio Railroad Company
That may have been the B&O, or the Baltimore and Ohio railroad.