 The entire forty-four mile railine between Cherry Run and Harper's Ferry, with the huge railyard at Martinsburg, and the thirty-two mile Winchester spur was now entirely isolated as a whole and separate system of seventy-six miles of railroad, apart from the western and eastern runs of the main B&O Railroad stem.Sources disagree on both the number of locomotives and railroad cars captured and the dates that the captures occurred.Historian Edward Hungerford, in his centennial history of the B&O Railroad published in 1928, describes the May capture as follows