For the purpose of making known the provisions of this act to all persons employed in or about such mine or colliery to which this act applies, a copy of the law in pamphlet form shall be posted in some conspicuous place or places at the mine or colliery, where it may be conveniently read by the persons employed, and so often as the same become obliterated or destroyed the operator or superintendent shall cause it to be renewed with all reasonable dispatch. Any person who pulls down, injures or defaces such copy of the law when posted up in pursuance of the provisions of this act, shall be guilty of an offense against this act.
52 P.S. § 70-273