human
There's no doubt that those specimens aren't quite so promising, he said at length;
gpt
It's a thing I've been afraid of for some time, Salter answered.
human
We can keep down any leakage that comes in through the rock, though it means driving the pumps hard, but an inrush from the river would beat us. A rise of a foot or so would turn the flood into the workings. He paused and added significantly:
gpt
Drowning out a mine's a costly matter. My idea is that you ought to double our pumping power and cut down the rock in the river-bed near the rapid. That would take off three or four feet of water.
human
It would mean a mighty big wages bill.
gpt
To do the thing properly would cost a pile of money; but it's an outlay that you'll surely have to face.