Published by the National Geographic Society
1145 17th Street, N.W., Washington, D.C. 20036-4688

photographs copyright © 2004 Barry Unsworth
Map copyright © 2004 National Geographic Society

All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, without permission in writing from the National Geographic Society.

Library of Congress Cataloging-in-Publication Data available upon request

ISBN: 978-1-4262-0912-3

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One of the world’s largest nonprofit scientific and educational organizations, the National Geographic Society was founded in 1888 “for the increase and diffusion of geographic knowledge.” Fulfilling this mission, the Society educates and inspires millions every day through its magazines, books, television programs, videos, maps and atlases, research grants, the National Geographic Bee, teacher workshops, and innovative classroom materials. The Society is supported through membership dues, charitable gifts, and income from the sale of its educational products. This support is vital to National Geographic’s mission to increase global understanding and promote conservation of our planet through exploration, research, and education.

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Interior design by Melissa Farris