Bathurst said.

"It will be hot work and hard.

We will relieve each other every five minutes or so." A very short time sufficed to break through the wall.
"Thank goodness, it is earth," Wilson said, thrusting a crowbar through the opening as soon as it was made.
"I had no fear of its being rock, Wilson.

If it had been, they would not have taken the trouble to have walled the sides of the cellar.

The soil is very deep all over here.