Harry was exuberant, but Philip's natural caution found expression in his next remark.
"Now, Roberts, you are sure about this?"
"What—sure that it's coal?"
"O, no, sure that it's the main vein."
"Well, yes. We took it to be that"
"Did you from the first?"
"I can't say we did at first. No, we didn't. Most of the indications were there, but not all of them, not all of them. So we thought we'd prospect a bit."
"Well?"
"It was tolerable thick, and looked as if it might be the vein—looked as if it ought to be the vein. Then we went down on it a little. Looked better all the time."
"When did you strike it?"