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At the close of the Pliocene the Coast Ranges rose along with the upheaval of the Sierra, and their gradual uplift has continued to the present time. The numerous north-south ranges of the Great Basin and the Mount Saint Elias range of Alaska were also uptilted during the Tertiary.
The bridle-path, running up the left bank of an ugly rocky torrent, the Wady Zurayb, presently reaches a plateau undulating in low rises. The staple material, porphyritic trap, shows scatters of quartz and huge veins, mostly trending north-south: large trenches made, according to the guides, by the ancients, and small cairns or stone piles, modern work, were also pointed out to us.
Thus the magnetic polarization of the earth as a letter in nature's script bids us rank it alongside other phenomena which in their way are an expression of the earth's being polarized in the north-south direction.
The only fourfooted beast we saw was the small bush-antelope with black robe, of which a specimen was brought home, and the only accident was the stinging of a Kruboy by a spider more spiteful than a scorpion. Reaching the ground after a ten minutes' walk, we examined the principal reef as carefully as we could. The strike is nearly north-south, the dip easterly, and the thickness unknown.
The ground which fronts the reef-ford reflects that of the left bank, and is pitted with diggings, large and small. In a dry torrent-bed, running north-south, was an oblong shaft, a native copy of European work, four feet by six, and timbered in the usual negro way.
Eroded by wind and water, it reminded her most of photographs she had seen of Monument Valley in the west, though not so old or well defined. Then there was the phenomenon of the line of granite cliffs from which she now surveyed the valley. As nearly as she could tell it ran directly north-south at an altitude varying from five- to fifteen-hundred feet.
The United States continues to believe that progress can best be made when nations focus on such specific problems, rather than on procedural and institutional questions. It will continue to work to move the North-South dialogue into a more constructive phase. The War on Hunger must be a continuous urgent priority.
Water wells up abundantly from a dozen shallow pits, old and new, in the sand of the southern or left bank. Here the flow is apparently arrested by a tall buttress of coarse granite, red with orthose, and sliced by a trap-dyke striking north-south. Our day's work had been only four slow hours; but we were compelled to await the caravan, which did not arrive till after noon.
For instance, the north-south direction, the east-west direction, and the up-down direction. Time has only one dimension that is, extends in one direction only, from the past to the future and a moment or "point" in time thus is located, with reference to another point in time, by one time distance.
A pleasant surprise was a fine vein of sugary quartz trending north-south: at that period we little suspected the sub-range to the south perhaps also the northern of being, in places, one mighty mass of "white stone." After covering six miles in an hour and three-quarters, exaggerated by the guides to three, we suddenly sighted the inland fort.
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