Ohio Revised Code Title XV. Conservation of Natural Resources § 1561.36

Upon being notified by the owner, lessee, or agent of a mine, or by a deputy mine inspector, that a major accident, causing injury to persons or property, has occurred at a mine within the jurisdiction of the chief of the division of mineral resources management, the chief shall go, and may order one or more of the deputy mine inspectors to go, at once to such mine, inquire into the cause of the accident, and make a written report upon the condition of that part of the mine wherein the accident occurred and the cause of the accident. The chief shall file such report in the chief's office, and mail a copy thereof to the general office of the owner, lessee, or agent of such mine.