(2) Alluvial mining leases, which shall not exceed 800 acres in area and shall have a minimum width throughout of 400 yards. The rent payable under such lease shall be at the rate of five shillings per acre per annum. (3) Stream mining leases, which shall not be granted in cases where an alluvial mining lease is applicable, shall be confined to the bed of a stream and shall not exceed one mile in length. The rent payable under such lease shall be at the rate of twenty shillings per annum for each 100 yards or part thereof. (4) Iron mining leases. (5) Carbonaceous minerals leases. (6) Earthy minerals and precious stones leases. (7) Dredging leases. Leases of the kind (4), (5), (6), and (7) shall be granted subject to regulations to be made by the Governor under section 34 of this Proclamation. (8) Water power leases, which shall be the subject of special agreements with the Governor; and such agreements shall make provision _inter alia_: (_a_) As to the rate to be charged to consumers for the supply of power, such rate to be specified in each agreement, and not increased without the consent in writing of the Governor; (_b_) As to the compensation to be paid by the beneficiaries thereunder in respect of interference with pre-existing individual rights of any kind whatever; (_c_) To ensure, under penalty of revocation, the adequate development of the available power; and (_d_) To ensure the supply of power on equitable terms to all consumers. Provided that (1) no such agreement shall be concluded until at least three months after reasonable advertisement of the application for the lease; and (2) the Governor shall at all times have the power to determine any such agreement, subject to reasonable notice and to the payment of adequate compensation in respect of expenditure incurred. [Sidenote: Governor may order survey, at cost of applicant.] 18. The Governor may in any case where he shall deem it necessary, before granting a mining lease, require that the boundaries of the land affected shall be surveyed by a surveyor approved by the Governor, and the cost of such survey shall be paid by the person applying for the lease. [Sidenote: Overlapping areas.] 19. In the event of any areas the subject of mining leases or exclusive licences to prospect being found to overlap, the ground in dispute shall be considered as within the area first granted, and no claim, whether for compensation or otherwise, shall be allowed in respect thereof to the lessee or licensee of the area subsequently granted. [Sidenote: Registration.]