An Act to make fresh provision with respect to the management and control of mines and for securing the safety, health and welfare of persons employed thereat; to regulate the employment thereat of women and of young persons and certain other persons under the age of twenty-one years; to enable certain tips to be regulated and to require the fencing of abandoned and disused mines; to amend the Quarries Act (Northern Ireland) 1927; and for purposes connected with the matters aforesaid.