150. Any part of a watercourse with a natural force equal to or greater than the natural force referred to in section 3 of the Watercourses Act (chapter R-13) together with a strip of land twenty metres in width on each side of the watercourse shall be excluded from the lease and reserved to the Crown.
The Minister may add to the reserve any area he considers necessary for the development and utilization of the waterpower. Where such an addition is made after the granting of a lease on the land concerned, compensation shall be paid to the lessee.
Notwithstanding the foregoing, the Minister may, subject to certain conditions, authorize the lessee to extract or mine surface mineral substances on the reserved land.