Word: soiling
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Since construction began in early summer, Stubbs has worked at the water main site. Every day workers big through the Yard, Stubbs is there, monitoring the work and scouring the soil for clues to Harvard's past...
From within the gaping hole, it is easy to pick out the layers of dirt. One strip has never been disturbed, even by later utilities work in the Yard. Most of the riches in that level of dark soil date back form about 1700 to about 1760, he says. Stubbs has found saucers and pottery, as well as animal bones--the remains of students' food...
...celebrated the first Earth Day and Congress had passed the Clean Air Act. Another year would bring the Arab oil embargo, long lines at gas stations and an unnerving sense that the industrial Western world could no longer count on endless supplies of cheap oil. Meanwhile, under American soil lay a quarter of the world's coal supply -- easily enough to power the nation into the 22nd century. If Smith and Keller -- two smart, practical fellows who cared about the environment -- could develop a process to burn coal cleaner and at a price that was competitive with Middle East...
Sarver's neighbor Dave Petteys, 48, got religion on that very principle a couple of years ago. He attended a demonstration with soil samples, one lifted from a field planted conventionally, the other under residue management. The first sample was a chunk of earth devoid of worms and compacted by the relentless assault of heavy equipment. A bucket of water poured on top of that soil ran off to the sides. The other sample was spongy loam abundant with worms, and the water disappeared on its surface and in a few seconds ran out the bottom...
...mother earth to be mined by the plow, and the settlers rushed in and onto the Great Plains, once called the great American desert. The Great Plains should never have been plowed, and the size of that tragedy was only fully realized decades later when the drought-dried soil was lifted by angry storms and carried as far east as the Atlantic coast...