Acknowledgments
Chapter 1: Pennsylvania: A Crossroads
Section A: Chapters 2 to 12: Pennsylvania's Natural Landscapes and Regions
Chapter 2: The Earth Beneath Your Feet
Chapter 3: The Geological Story
Chapter 4: Mineral Resources and Hazards
Chapter 5: Winter Weather
Chapter 6: Summer Weather
Chapter 7: Surface Water Resources
Chapter 8: Groundwater Resources
Chapter 9: Soils
Chapter 10: Forests
Chapter 11: Vegetation and Soil Erosion
Chapter 12: Wildlife
Section B: Chapters 13 to 19: Pennsylvania's Human Landscapes and Regions
Chapter 13: People, By the Numbers
Chapter 14: Ethnicity and Immigration
Chapter 15: Urbanization
Chapter 16: Ethnicity and Cultures
Chapter 17: Pennsylvania Cultures
Chapter 18: Government
Chapter 19: Politics
Section C: Chapters 20 to 31: The Structure of Economic Activity
Chapter 20: Traditional Agriculture
Chapter 21: Modern Agriculture
Chapter 22: Forestry
Chapter 23: Mining
Chapter 24: Early Transportation
Chapter 25: Modern Transportation
Chapter 26: Energy in Pennsylvania
Chapter 27: Manufacturing
Chapter 28: Iron and Steel
Chapter 29: Retail Economy
Chapter 30: Services
Chapter 31: Recreation and Tourism
Section D: Chapters 32 to 37: Urban and Environmental Issues
Chapter 32: Uniqueness of Urban Places
Chapter 33: Pittsburgh
Chapter 34: Philadelphia
Chapter 35: Air Pollution Issues
Chapter 36: Water Pollution Issues
Chapter 37: Waste Management
Bibliography
Index to Places in Pennsylvania