Stretching from the craggy reaches of the Pocono Mountains to the rolling farmlands of Lancaster County, Pennsylvania, sprawling east across the Delaware River basin and New Jersey s coastal plain Atlantic beacheshere is a land of rich historical, cultural, and environmental diversity. Few other locales in the United States have as many varied habitats, each with its own distinctive vegetation and wildlife. The nature lover in the Delaware Valley can travel from ocean, across barrier-beaches, salt-water and fresh-water marshes, pine barrens, deciduous woodlands and fields, to mountains,...