19-8-13: [Mineral lands; development.]

All lands under lease for extraction of coal or other deposits, shall be developed and operated in a workmanlike manner and with a view to development of the whole area tributary to the shafts, drifts, tunnels or other openings made, and failure of the lessee or his assigns to observe this provision shall be cause for cancellation and forfeiture of the lease thereon in the manner hereinbefore provided in this chapter.