<p>Most people think of the American state of New Jersey as a suburban-industrial corridor that sits just west of New York City. But in the centre of the state lies a vast wilderness ? larger than most national parks ? which has been known since the seventeenth century as the Pine Barrens. The term refers to the predominant trees in the vast forests that cover the area and to the quality of the soils below, which are too sandy and acidic for farm...