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 should become blinding; but the structure lines of the glacier were my main guide. Toward the west side we came to a closely crevassed section in which we had to make long, narrow tacks and doublings, tracing the edges of tremendous transverse and longitudinal crevasses, many of which were from twenty to thirty feet wide, and perhaps a thousand feet deep—beautiful and awful. In working a way through them I was severely cautious, but Stickeen came on as unhesitating as the flying clouds. The widest crevasse that I could jump he would leap without so much as halting to take a look at it. The weather