Wyoming constitution
Article 7: education; state institutions; promotion of health and morals; public buildings
Section 16

The university shall be equally open to students of both sexes, irrespective of race or color; and, in order that the instruction furnished may be as nearly free as possible, any amount in addition to the income from its grants of lands and other sources above mentioned, necessary to its support and maintenance in a condition of full efficiency shall be raised by taxation or otherwise, under provisions of the legislature.