"You seem to have thought it all out."
"I have done more than that. I have worked it all out. I must work all day in a heading, of course, in order to make bread and butter. I have worked at night over these problems."
"And you are sure you've got the right answers?"
"Greatly more than sure--absolutely certain!"
"Very well. You are now chief engineer, or anything else you please, at a chief engineer's salary. You are to go to work at once digging the new ventilating and pumping shaft. You are to proceed at once to install your other improvements, and, when you report to me that there is no longer any use for the mules in the mine, I'll bring them all out and sell them. I'll look to the payments incidental to your work. My mission here is to make this mine a paying property. To that end
