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Backroads of Pennsylvania : your guide to Pennsylvania's most scenic backroad adventures
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Wandering home : a long walk across America's most hopeful landscape
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Hopewell Village; a social and economic history of an iron-making community
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Backroads & byways of Pennsylvania : drives, day trips & weekend excursions
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The plenty of Pennsylvania : samples of seven cultures persisting from colonial days
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Backroads & byways of Upstate New York : drives, day trips & weekend excursions
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Fifty hikes in western Pennsylvania : walks and day hikes from the Laurel Highlands to Lake Erie
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Lonely Planet. Eastern USA
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Fodor's Philadelphia
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Pennsylvania waterfalls : a guide for hikers and photographers
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Dogtown : death and enchantment in a New England ghost town
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Pennsylvania
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Penn's woods, 1682-1982 : the oldest trees in Pennsylvania, New Jersey, Delaware, and Eastern Shore, Maryland
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True tales of the Clarion River, with 1971 supplementary chapter; a reference and textbook for schools, libraries, and historians
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History of interesting places on the Susquehanna trail, "the scenic highway of America,"
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Pennsylvania beautiful
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The old and new Monongahela
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Shadows of the Rhine along the Tulpehocken
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Pennsylvania
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The great oildorado; the gaudy and turbulent years of the first oil rush: Pennsylvania, 1859-1880
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Pennsylvania : a guide to the Keystone state
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A historical and folklore tour of the Pennsylvania grand canyon
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New York State
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Insiders' guide to the Pocono Mountains
