"Bless my soul!" cried Mr. Damon. "Where is it, in the lake?"
"The mine itself is just beyond that barrier of broken and twisted trees," replied the elder Russian brother. "It is an irregular opening in the ground, as though once, centuries ago, an ancient people tried to get out the precious metal. We will go to it at once."
"But it is getting late," objected Ned.
"No matter," said Tom. "If we find any platinum we'll stay here all night, and longer if necessary to get a good supply. This is better than the city of gold, for we're in the open."
"I should say we were," observed Mr. Damon, as he bent to the blast, which was strong, sheltered even as they were.
"Will it be safe to remain all night?" asked Mr. Borious, with a glance about the desolate country.
"We have plenty of food," replied Tom, "and a good place to stay, in the car of the glider. I don't believe we'll be attacked."
"No, not here," said the elder Petrofsky. "But we still have to go back across Siberia to escape."
"We'll do it!" cried Tom. "Now for the platinum treasure!"
They went forward, and it was no easy work. For the wind still blew with tremendous force
