Authorizes Idaho, respecting Morrill Act agricultural college assets, to: (1) invest earnings and proceeds in accordance with the standards applicable to a trustee under Idaho law; (2) deduct trustee expenses from earnings and proceeds; and (3) use earnings and proceeds from granted land without regard to the limitations that prohibit the state from exceeding 10% on the purchase of land and prohibit the state from purchasing, erecting, preserving, or repairing buildings.