Chapter 19 A BLINDING SNOWSTORM

"Quick! Professor!" cried Mark. "Jack, Washington, everybody! Hurry up!"

"What's the matter?" asked the inventor, running to the conning tower.

In answer Mark pointed outside.

"A snow storm!" exclaimed the captain. "We must expect them up north.

But this is worse than I thought!"

He glanced ahead. Nothing could be seen but a wall of

            
            

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