12As regards land in England or Wales, a compulsory purchase order under this Act may provide that section 77 of the [1845 c. 20.] Railways Clauses Consolidation Act 1845, and sections 78 to 85 of that Act as originally enacted and not as amended for certain purposes by section 15 of the [1923 c. 20.] Mines (Working Facilities and Support) Act 1923, shall be incorporated with section 39 of this Act, subject to such adaptations and modifications as may be specified in the order.