For the preliminary work necessary for making borings, surveys, engineering studies, investigations, hearings and all matters incidental or appertaining thereto, the sum of fifty thousand dollars ($50,000), or so much thereof as may be necessary, is hereby appropriated out of any moneys in the State treasury not otherwise appropriated. The moneys hereby appropriated shall be paid out by the state treasurer on the warrant of the comptroller of the treasury upon vouchers signed by the chairman of the said port authority. The said sum shall be paid back to the state when the cost of construction of all of said bridge shall have been fully paid for and the debt or debts created for such purpose amortized.

L.1925, c. 97, s. 11, p. 307.