"There can be no possible question that cold is felt much more keenly in the thin air of nineteen thousand feet than it is below."

"Walter, who had been in the lead all day, was the first to scramble up; a native Alaskan, he is the first human being to set foot upon the top of Alaska's great mountain, and he had well earned the lifelong distinction."

"Before the reader turns his back upon the Grand Basin once for all, I should like to put a name upon the glacier it contains - since it is the fashion to name glaciers."

"An hour or two spent in writing from dictation, another hour or two in reading aloud, a little geography and a little history and a little physics made the day pass busily."

"We took a straight course up the great snow ridge."

"The writer's shortness of breath became more and more distressing as he rose."