The unloading proceeds automatically from there, and Goto Dengo devotes most of these days to supervising the final stages of the digging. The new ventilation shafts are proceeding on schedule, and he only needs to check them once a day. The diagonal is now only a few meters away from the bottom of Lake Yamamoto. Groundwater has begun to seep through small cracks in the bedrock and trickle down the diagonal into Golgotha, where it collects in a sump that drains into the Tojo. Another few meters of cutting and they will break through into the short stub tunnel that Wing and his men created many months ago, digging downwards from what later became the bottom of the lake.