The Trail Development and Maintenance Fund is hereby created. The fund shall consist of transfers at the direction of the Legislature and any gifts, bequests, or other contributions to such fund from public or private entities. The Game and Parks Commission shall administer the fund to provide grants to natural resources districts to assist in completing the Missouri-Pacific trail between the cities of Lincoln and Omaha. Any money in the fund available for investment shall be invested by the state investment officer pursuant to the Nebraska Capital Expansion Act and the Nebraska State Funds Investment Act.