Accordingly, they spurred up a steep mountain side covered with dark and somber pines and tamarack, among which the wind sighed dismally. The going was much the same as Ralph was already getting accustomed to in that rugged, little-traveled country. Rocks, fallen trees and deep crevasses crossed their paths in every direction, causing frequent detours.

Hour after hour they traveled through this sort of country, making but slow progress. At noon they stopped for a bite of lunch, and tethering the ponies in some scant grass which grew in a rocky clearing, they seated themselves on a log for their meal. Their canteens of water came in refreshingly, for they had not passed any streams or springs.

So engrossed had they been in making their way over the difficult country that they had been traversing, that up to this time they had not paid any attention to the weather. They now saw that great black clouds were rolling up beyond the snow-covered summits to the northwest of them.

As they ate, the clouds spread out as if a sable blanket had been drawn across the sky by unseen hands. Before long the sun was blotted out and the forest grew unspeakably gloomy.

“Reckon we’re in for a change in the weather,” said Mountain Jim dryly, looking up.

“It seems that way,” was Ralph’s reply; “it’s getting as dark as twilight. Hadn’t we better be getting along?”

Mountain Jim nodded.

“I’d like to get across the bed of the valley yonder before that hits in,” he said. “It looks like it’s going to be a hummer, and in that case the water will rise in the creek bed below, uncommon sudden.”

They finished their meal hastily and remounted. Before them lay the steep mountain side, at the bottom of which was the creek of which Mountain Jim had spoken. At that time of year it was probably dry, but if the storm proved to be a bad one it might fill with great suddenness, and for a short time be transformed into a roaring torrent, next to impossible to cross.