Upon leaving his position as general manager of the Boston & Lowell and connecting lines, Stark was chosen, in the spring of the same year (1875), by the bondholders of the Northern Pacific Railroad, as one of a committee of six to re-organize and resuscitate that enterprise, left in its well remembered dilapidated condition by the financial panic of 1873. After carefully investigating the condition of affairs and the actual and prospective resources of the road, a plan of re-organization was submitted by the committee, accepted by the bondholders, and the road taken out of the hands of the receiver. In September following, a board of new officers was chosen, in which we find the name of Gen. Stark as vice-president and director. To these positions he had an annual re-election until by resignation he severed his connection with the corporation in 1879. The magnitude of the Northern Pacific road and its branches is well known to the public; to detail its operations and resources would require too much space here, even if presented in the most condensed form. Intended ultimately to connect the great northern lakes with the Pacific coast, its entire length, when completed, will exceed two thousand miles,--as long as the combined length of the Union Pacific and Central Pacific roads. At the time of the election of Gen. Stark to its management about five hundred and fifty miles of the track were operated; at the present time nearly a thousand miles of track are laid, including over a hundred miles on the Pacific coast. After retiring from active service in the Northern Pacific road, Gen. Stark established, in connection with his son, J. F. Stark, a banking-house in New York city. Though most of his business connections have been in the railroad interest, Gen. Stark has found time for attention to duties in other directions. In 1857 he was commissioned, by Gov. Haile of New Hampshire, as brigadier-general of the third brigade of New Hampshire militia. In 1860 he accepted the post of colonel commanding of the Governor's Horse-Guards, an organization comprising the _elite_ of the military men of the State. In 1861, in the capacity of brigadier-general, he received orders from Governor Goodwin to proceed to Portsmouth and take charge of the organization of troops, at the opening of the rebellion. The promptness and efficiency with which this service was performed is still fresh in the memory of the public, and the state owes the management of this recruiting station much of the credit attached to New Hampshire for promptly responding to the call of the general government. At one time fifteen hundred troops were at this station, waiting orders from the war department.