Ohio Revised Code Title XV. Conservation of Natural Resources § 1517.12

There is hereby created the lake Katharine management trust fund, which shall be administered by the division of natural areas and preserves in the department of natural resources for preservation, management, land acquisition, and educational programs at the lake Katharine nature preserve. The moneys in the fund shall be derived from gifts, donations, bequests, and other moneys for the purposes for which the fund is created. The treasurer of state shall be the custodian of the fund, which shall not be a part of the state treasury. The principal in the fund shall not be expended. Only earnings from investments shall be expended for the purposes for which the fund is created. All disbursements from the fund shall be paid by the treasurer of state upon requisitions signed by the director of natural resources or his designee.