The lands the subject of the Plans mentioned in the Preamble to this Act, and all rights to mines of coal or other minerals under the lands are revested in Her Majesty as of her former estate freed and discharged from the estate, right, title, interest, claim or demand of all persons whomsoever to or in respect of the lands or rights and the lands are deemed to be Crown land under and for the purposes of the Land Act, 1933-1954.