Over burden definition
Over burden or “OB” shall mean the rock, soil etc. that lies above and between the lime stone and is to be removed during mining and may be used to restore the mining site post mining. The term “Over burden” includes inter burden as well;No payment will be made for removal of over burden.
Over burden means the rock, soil, stone bands etc. that lies above and between the coal seams and is to be removed during mining and may be used