Looking at the underground maps, the lower production this...

Looking at the underground maps, the lower production this quarter is associated with putting more tunnels into new and likely higher grade areas. This is a sunk cost and means much of the work has been done for quite a while and the equipment can return to production around those "stopes" I'm not a miner so the miners lingo takes a bit of thinking. Its like owning property in a way. You have to prepare it and fix it up to get a good rent. when you are doing that, income is pretty thin. But if you don't do it, you will get less or no income.