The Horseshoe Curve is known worldwide as an engineering achievement by the Pennsylvania Railroad. This landmark, located just west of Altoona, opened to traffic on February 15, 1854, and it enabled a railroad line to climb the Allegheny Mountains and the eastern continental divide. The Horseshoe Curve's construction impacted railroad design and development for mountainous terrain everywhere, enabling access to coal and other raw materials essential for the industrial age. J. Edgar Thomson, chief engineer of the Pennsylvania Railroad, is widely recognized for his engineering and design of the Horseshoe Curve, a concept never utilized previously. Today the curve is still in use and sees approximately 70 trains daily. Through vintage photographs, Horseshoe Curve chronicles how this marvel remains one of the vital transportation arteries linking the east and west coasts of the United States.

The Pennsylvania Railroad's Horseshoe Curve is known worldwide as an engineering wonder. This landmark, located just west of Altoona, opened to traffic on February 15, 1854, and it enabled the Pennsylvania railroad line to climb the Allegheny Mountains and the eastern continental divide. The Horseshoe Curve's construction impacted railroad design and development for mountainous terrain everywhere, enabling access to coal and other raw materials essential for the industrial age. J. Edgar Thomson, chief engineer of the Pennsylvania Railroad, is widely recognized for his engineering and design of the Horseshoe Curve, a concept never utilized previously. Today the curve is still in use and sees approximately 70 trains daily. Through vintage photographs, Horseshoe Curve chronicles how this marvel remains one of the vital transportation arteries linking the east and west coasts of the United States.

The Allegheny Mountains constantly challenged early settlers to use their creativity and skills to conquer what seemed an almost insurmountable barrier. The founding fathers recognized potential in the area both as a resort and as a thriving town that would attract industry. Through hard work and innovation, an all-rail route over the mountains was established, linking the area with important industrial and trade centers. Many people came to Cresson to enjoy the health and recreational benefits of its natural springs, and the area's "pike" afforded the first stage link between Philadelphia and Pittsburgh. When the Pennsylvania Railroad established headquarters here, with a roundhouse, machine shops, and branch lines, the area entered an era of industrial prosperity. I n this remarkable volume, over 200 rare images are combines with informative and insightful text. Early views of the famous Horseshoe Curve, the Gallitzin Tunnels, and the Mountain House are delightfully intertwined with photographs of homes, workplaces, churches, and the people who made the area prosper and grow. Readers visit Loretto, a town founded by "A Prince-Priest, Demetrius A. Gallitzin, Apostle of the Alleghenies" and they are transported to Portage and Lilly, areas of woodlands that gave rise to numerous sawmills.

"Updated edition with a new preface and afterword"--Cover.

A page-turning novel that is also an exploration of the great philosophical concepts of Western thought, Jostein Gaarder's Sophie's World has fired the imagination of readers all over the world, with more than twenty million copies in print. One day fourteen-year-old Sophie Amundsen comes home from school to find in her mailbox two notes, with one question on each: "Who are you?" and "Where does the world come from?" From that irresistible beginning, Sophie becomes obsessed with questions that take her far beyond what she knows of her Norwegian village. Through those letters, she enrolls in a kind of correspondence course, covering Socrates to Sartre, with a mysterious philosopher, while receiving letters addressed to another girl. Who is Hilde? And why does her mail keep turning up? To unravel this riddle, Sophie must use the philosophy she is learning—but the truth turns out to be far more complicated than she could have imagined.

In this classic work by one of America's most widely read historians, Daniel J. Boorstin demonstrates why and how, on the 250th anniversary of his birth, Thomas Jefferson continues to speak to us.