"1853" . . "1892" . . "1853" . "Baltimore and Potomac" . . "1.2791586E7" . . . "Merged withPhiladelphia, Wilmington and Baltimore Railroad" . . . "1902-11-01" . . . . . "1853-05-06" . "Baltimore and Potomac Railroad" . "1902" . "Baltimore and Potomac Railroad" . . . "290996.29" . . . . "B&P" . . . . "Magruder Branch" . . . . . "Baltimore & P.R.R. Co." . . . "line" . .