Another wall of rock joined it on the right, making a big L.

There was a level that began at the two walls and extended both ways for probably half a mile, until it met the slope of the other side of the mountain.

It was nothing but two shoulders, joined, on the top of the mountain.
"Just below us there was a break in the level--a wide gash about fifty feet across, so deep that we couldn't see the bottom.

There was a ledge on our side about three or four feet wide, and a bridge stretched from it across the canyon.

We decided that the bridge was the one Queza had told the boys about--it led to the cave where the treasure was kept.