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International Standard Book Number-13: 978-0-309-27824-9

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ISBN: 0-309-27827-9

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Cover: Cover design by Michele de la Menardiere. Top left is a screw conveyor (used to remove material excavated from a tunnel) of the world’s largest tunnel boring machine being constructed for tunnelling beneath downtown Seattle. Top right is the inside of an underground utilidor in Amsterdam; courtesy of H. Admiraal. Middle left is a laser scanned image of a building foundation under construction; courtesy of Y. Hashash. Bottom is a train departing from a Washington, D.C. underground Metro station.

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