Paragraph 13 Mines lying near the works not to be worked without notice to undertakers.

Subject to any agreement to the contrary, if the owner, lessee or occupier of any mines of coal, ironstone, slate or other minerals lying under the reservoirs or buildings of the undertakers or any of their pipes or other conduits or underground works shown on the map referred to in the last foregoing section, or lying within the prescribed distance therefrom, or, if no distance be prescribed, within 40 yards therefrom, desires to work the said mines or minerals, he shall give to the undertakers 30 days’ notice of his intention so to do.