Ohio Rev. Code § 1563.04
The operator of each underground mine shall have a survey made whenever the workings of the mine have extended four hundred feet in any direction from the point shown on the map by the last survey of such mine, but not more often than once every six months, or whenever such mine is to be abandoned or shut down for a sufficient period of time to make it impossible to survey the working faces as prescribed by this section because of the caving of the roof. Such surveys shall be accurately plotted on the original map of the mine as prescribed in section 1563.03 of the Revised Code. A copy of such map with the latest survey plotted thereon shall be kept at such mine, available for the use of the chief of the division of mineral resources management, and the deputy mine inspectors, and available for inspection by the employees at all reasonable times, and a copy of the same shall be promptly forwarded to the chief, with the certificate of the engineer making same and of the superintendent or mine foreperson in charge of the mine at the time of the survey, acknowledged before a notary public or other officer empowered to administer oaths, in the following form:
"I, the undersigned, hereby certify that this map is correct and shows all the information required by section 1563.03 of the Revised Code and covers the period ending ______________________________________________________________________________________________________________ Engineer
Acknowledged before me a _________________________________
_________ this ____________ day of _______________________
___________________________
I, the undersigned, hereby certify that I am mine foreperson at the mine represented by this map and to the best of my knowledge and belief the same correctly represents the excavations of the mine for the period ending___________________
Acknowledged before me a _________________________________
_________ this ____________ day of ____________________________
___________________________"
The operator of a mine shall file, at least annually, a map of the same with the chief, so certified.
No operator of a mine shall refuse or neglect to comply with this section.
R.C. §1563.04