Pennsylvania Statutes Title 52 P.S. Mines and Mining § 690-120. Mine map repository

The department shall develop and maintain a repository of all mine maps it has obtained or has had an opportunity to copy. The department shall organize and catalog the mine maps in the repository to enable the department, other government agencies, mine operators and the general public to review the mine maps and to determine the location of mine workings. All mine maps and copies of mine maps held by the department shall be open for public inspection and made available for review upon request during the department's normal business hours.