From boulder fields to water gaps, from sinkholes to limestone caves, the valley has long had a powerful influence on the lives of its residents—and the people have had a similarly powerful effect on the valley; the text features brief profiles of some of the people who have shaped the environmental history of the area. The authors also include directions to historical and natural sites, and the book’s illustrations aid visitors and naturalists in identifying the region’s abundance of flora and fauna. is a unique combination of narrative natural history, identification handbook, and travel and hiking guide. Mountain laurel, red-tailed hawks, dusky salamanders: not only shows us what resides in this beautiful and bountiful valley, but also explains why. This illustrated guide surveys the valley’s ecology, geology, history, and agriculture—and is complemented by maps and drawings of the area’s plant and animal life. will appeal to area residents, amateur naturalists, and Pennsylvania visitors with an interest in natural history.