86. A mining lease confers the right to all mineral substances belonging to the Crown, but it does not confer the right to petroleum, natural gas, sand, gravel or brine; nor does it give the right to develop or use the underground reservoirs, in the land leased, for the storage or permanent disposal of any mineral substance or of any industrial product or residue.
1965 (1st sess.), c. 34, s. 91; 1968, c. 36, s. 6; 1970, c. 27, s. 24.