Word: silting
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...During dredging operations in the Delaware River, Army divers found the wreck of an English vessel sunk in 1750. Unable to raise the ship, the Army pumped most of its cargo through a suction pipe, spewing a mass of silt and 18th Century pewter plates, brass buttons, locks & keys, and silver shoe buckles on the riverbank...
...Amazon basin there are three types of rivers-yellow, white and black. Only the yellow rivers (actually a tawny brown) have fertile valleys. The yellow rivers, of which the Amazon proper is the best example, carry silt, and when they overflow, leave rich deposits on the land. The black rivers are stagnant and so acid that even fish cannot live in them. The white rivers have ceased to serve as anything but drainage canals. Tropic downpours have long since washed away all fertility from their valleys...
...banged head-on into Joe Grundy's industrialists. Under Duff's urging, Ed Martin liberalized workmen's compensation and unemployment laws (which Joe Grundy and the P.M.A. have always considered the devil's work), pushed through a bill to curb the discharge of mine silt into the Schuylkill River. When mineowners protested, redheaded...
Cracking down with the state's anti-pollution laws, Duff has already cut the dumping of mine waste by 80% in the Schuylkill River basin. The task of dredging out millions of tons of accumulated silt and culm is ready to begin. Similar projects are under way along the Lehigh, the Lackawanna and Susquehanna Rivers...
First, the Olympic trials have been shifted from the muddy and treacherous Schuylkill River to the more equable waters of Lake Carnegie at Princeton. This change, which comes after lengthy controversy between college coaches and the club-dominated Olympic Rowing Committee, will eliminate the unfairnesses which the currents and silt of Philadelphia impose on the course there...