Word: silts
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Dates: during 1970-1979
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...base ensures that life at Guantanamo Bay is different. There is no direct contact with Cubans off the base. All communications with Havana must be routed through channels on the mainland. One exception is maintenance of the shipping channel, which is used by both U.S. warships and Soviet transports. Silt is now being cleared by a Cuban dredge, with a U.S. observer in attendance...
Such a historically retrograde energy step is unlikely, partly because some river flows are too weak and environmental opposition is too strong. The objections center mainly on fears that the dams would either silt up rivers or require large reservoirs that destroy land. But with the promise of inexhaustible free power, some utilities are again becoming interested in this old idea...
Gently but relentlessly, the waves of the Gulf of Mexico pound the powdery white sand of the barrier reef off Texas' coast. The clear green water, and the silt and sand it has deposited over the centuries, created Padre Island, and have made it an increasingly popular vacation paradise. Yet what the waves have given, they are now taking away. Gently but relentlessly, Padre Island seems to be falling into...
Bulldozing a trench four meters (13 ft.) deep, he found several distinct breaks in the strata of sand, silt, gravel and peat that had been deposited on the bottom of the marsh over the centuries. Each break represented a sudden shift of at least a meter or two between the land masses on opposite sides of the fault-unmistakable signs of a major earthquake. Using radioactive-carbon dating techniques to determine the age of the dead organic material in the peat layers, he has now determined that the quakes occurred around...
...unwritten guidebook of desecrated America. Its obverse, as the Crescent weaves its whistling way south toward summer, is a varied, often startlingly beautiful landscape of feathery woods and forests, roses and rhododendrons, pastures and cornfields, laced with urgent streams and dreaming lakes. The earth turns from New Jersey silt to Maryland sand, from Georgia red clay to Alabama's black bottom. Grand estates and hardscrabble farms rush by, punctuated by hamlets as dour as a Grant Wood visage. The voyager is voyeur, peering into the discrete life of the land and its inhabitants...