They were fully three-quarters of a mile above the creek-bottom, and so narrow in places was the crest of the mountain along which the sheep-trail led that they could look down into both valleys.
To Muskwa it was all a greenish golden haze below him; the depths seemed illimitable; the forest along the stream was only a black streak, and the parklike clumps of balsams and cedars on the farther slopes looked like very small bosks of thorn or buffalo willow.
Up here the wind was blowing, too.

It whipped him with a strange fierceness, and half a dozen times he felt the mysterious and very unpleasant chill of snow under his feet.

Twice a great bird swooped near him.

It was the biggest bird he had ever seen--an eagle.

The second time it came so near that he heard the _beat_ of it, and saw its great, fierce head and lowering talons.
Thor whirled toward the eagle and growled.