 | This account of the rise, fall, and restoration of the shad population in the Susquehanna and its tributaries. |
|  | A quick guide to the birds of Pennsylvania—295 species of birds are grouped and color coded for quick identification. |
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 | The witty and intriguing diary of Henry K. Landis’s nineteenth-century trip down the Juniata and Susquehanna Rivers. |
|  | Examines the complexity and the controversy of deer management in Pennsylvania and the effect it has had on all the citizens of the commonwealth. |
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 | Practical advice on what to wear, identification, and finding fossils. |
|  | This book has become a classic in nature writing. |
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 | This is a comprehensive guide to 69 natural areas you can visit in eastern Pennsylvania. |
|  | Chronicles the founding of Hawk Mountain Sanctuary. |
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 | This guide maps out a variety of paths for both beginners and more advanced explorers. |
|  | In this book, with 41 chapters and more than 250 photos, Tom covers every facet of turkey hunting. |
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|  | This book tells of the sixty-one officially designated Natural Areas within the state forest system. |
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 | A history of one hundred years of the State Parks of Pennsylvania. |
|  | This guide includes facts about endangered and threatened species, metamorphosis, and locations of species across Pennsylvania. |
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 | Explore all nine of Pennsylvania’s operating show caves and seven more from yesteryear. |
|  | This well-illustrated official guide is a helpful source for anyone interested in fish. |
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 | Everything you need to explore all that Northeastern Pennsylvania’scrown jewel has to offer. |
|  | This book includes the historical, cultural, and geological significance of 90 overlooks. |
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 | A beautifully illustrated history of the Allegheny National Forest. |
|  | Dinosaurs and other Triassic Reptiles that inhabited Pennsylvania anywhere from 65 to 250 million years ago. |
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 | An introduction to Pennsylvania’s 45,000 miles of usable streams. |
|  | The sweeping story of one of America’s great rivers, ranging in time from it’s geologic origins to the modern threats to it’s ecosystem. |
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 | Ferns and their allies are abundantly represented in the plant world with somewhere between 10,000 and 12,000 species identified and recognized. |
|  | This is the premier book that provides the most comprehensive and readable reference available about Pennsylvania’s geology. |
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 | Traces the fascinating story of early efforts to set aside forests. |
|  | Narratives and identification information for some sixty species of trees found throughout the state and the northeast. |
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 | Natural history narratives for more than three hundred species of mammals, birds, reptiles, and amphibians found in Pennsylvania. |
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