Whenever hereafter any of the lands contained within Indian reservations or allotments in this state shall be allotted, sold, reserved or otherwise disposed of, they shall be subject for a period of twenty-five years after such allotment, sale, reservation or other disposal, to all the laws of the United States prohibiting the introduction of liquor into the Indian country; and the terms “Indian” and “Indian country” shall include the Pueblo Indians of New Mexico and the lands owned or occupied by them on the twentieth day of June, nineteen hundred and ten, or which are occupied by them at the time of the admission of New Mexico as a state.