United States or Nepal ? Vote for the TOP Country of the Week !


Civil engineering embraces, roughly, all work in the soil. The surveyor is a civil engineer. He constructs dams, builds viaducts, lays out railroads, and in the war, where he was known as a pioneer, he was responsible for all tunneling and trench projects, besides keeping the highways clear and the wire entanglements intact.

The Romans being good chemists knew the effect of vinegar on lime, therefore when they encountered calcareous rock instead of water they used vinegar which very readily split up and disintegrated this kind of obstruction. The work of tunneling was very severe on the laborers, but the Romans did not care, for nearly all the workmen were slaves and regarded in no better light than so many cattle.

When he came to the surface, twenty feet away, both birds were over him and dropped like plummets on his head. So they drove him down stream and out of sight. Years afterward I solved the second problem suggested by the kingfisher's den, when I had the good fortune, one day, to watch a pair beginning their tunneling.

The antiquity of man in Europe has been determined in a large measure by archaeological remains found in caves occupied by him in different ages, but the exploration of caves in North America has so far failed to reveal traces of different degrees of civilization. Primitive Tunneling Hoosac Tunnel Croton Aqueduct Great Alpine Tunnels New York Subway McAdoo Tunnels How Tunnels are Built.

At B it is found broken by a fault f which hades toward A. To find the seam again, should you advise tunneling up or down from B? In a vertical shaft of a coal mine the same bed of coal is pierced twice at different levels because of a fault. Draw a diagram to show whether the fault is normal or a thrust.

We struck pay rock at the first thirty feet of tunneling, so Amos' assay showed, and the rock had gradually increased in value, week by week.

While the tunneling had been going on, all the grassfighting activity had ceased, for the militia had ordered weedburners, reapers, bulldozers and the rest off the scene.

Yet all this laboriously constructed defense work that had taken many months to complete and the strength and skill of thousands were swept away in a few hours' time. For nearly two years companies of sappers British, Australians, and New Zealanders had been busily engaged in tunneling under the low range of hills upon which the German position stood.

He could see the hours of patient labor it had involved, the days and days of mole-like tunneling, the weeks and weeks of gnome-like burrowing and carrying and twisting and loosening and piling, the months of ant-like industry which one blow of the Law's heel would make as nothing. It rather bewildered Trotter.

By night Orizaba was still well above the tropics and the single blanket on the hotel cot proved far from sufficient even with its brilliant red hue. It is merely a long jump with a drop of two thousand feet from Orizaba to Cordoba. But the train takes eighteen miles of winding, squirming, and tunneling to get there. On the way is some of the finest scenery in Mexico.