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Lehigh University - SPRING 2011 | ||
Section 010 | ||
 | The Lehigh Valley: A Natural and Environmental History (Keystone Books) (1st Edition) by Robert Halma, Carl S. Oplinger, Oplinger Halma Paperback, 400 Pages, Published 2001 ISBN-10: 0-271-02094-6 / 0271020946 ISBN-13: 978-0-271-02094-5 / 9780271020945 Comprising approximately 730 square miles and over half a million residents, the Lehigh Valley is the third largest metropolitan area in Pennsylvania, encompassing the cities of Allentown, Bethlehem, and Easton. Much is known about the industrial history of the valley (home to Bethlehem Steel, Mack | |