HOUSING: Up from the Potato Fields

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On 1,200 flat acres of potato farmland near Hicksville, Long Island, an army of trucks sped over new-laid roads. Every 100 feet, the trucks stopped and dumped identical bundles of lumber, pipes, bricks, shingles and copper tubing—all as neatly packaged as loaves from a bakery. Near the bundles, giant machines with an endless chain of buckets ate into the earth, taking just 13 minutes to dig a narrow, four-foot trench around a 25-by-32 ft. rectangle. Then came more trucks, loaded with cement, and laid a four-inch foundation for a house in...