Section 269. Minimum Timbering or Other Roof Support Methods Adopted.--Where roof support is required, minimum timbering, or other roof support methods, suitable to the roof conditions of each mine or part of a mine shall be adopted by the operator and complied with.
Minimum Timbering or Other Roof Support Methods Adopted
Act 346 of 1965, § 269, under PENNSYLVANIA ANTHRACITE COAL MINE ACT.
Act 346 of 1965, § 269