If you know how the vein dips, you can strike the ore; if you sink the shot-hole right, and use enough powder, you split the rock." "It's obvious that you are a materialist." "I'm a mining engineer," Thirlwell rejoined with a smile.
Agatha gave him a quiet, friendly look.

"It's lucky I have you to help, because I could not have gone far alone.

I've studied Nature's laws in the laboratory, but in the bush she works on another scale.

There's a difference between a blow-pipe flame and the subterranean fires.

Now if I don't find the ore, it will be some comfort to know that I have properly tried." She glanced at her wrist-watch and got up.