books.google.co.jp - Bottled water is a part of everyday life for millions of Americans. Per capita consumption in the United States now tops fifteen gallons per year with sales over $5 billion in 2002. Even as fuel prices climb, many people are still willing to pay more for a gallon of bottled water than they are for the...http://books.google.co.jp/books/about/Wellsprings.html?hl=ja&id=PgGVzCQgjEIC&utm_source=gb-gplus-shareWellsprings