But Buckden declared that it was, and that they were on the right track.
So Frank kept the Steam Man going at full speed.
Every moment now they drew nearer the mountain.
“Look!” cried Buckden, suddenly springing up, “there is the canyon. I tell you we are all right.”
“Shall we go for the canyon?” asked Frank Reade, Jr.
“Yes.”
A short while later the Steam Man was picking his way along through a mighty gorge fully a thousand feet deep.
For hours the travelers toiled through this mighty gorge.
Then suddenly the Steam Man came out on a mighty plateau.
And before the explorers was now spread a most wonderful sight.