Level: N DRA: 30 Social Studies Strategy: Summarize Word Count: 622 3.1.1 Build Vocabulary HOUGHTON MIFFLIN Online Leveled Books ISBN-13: 978-0-547-02123-2 ISBN-10: 0-547-02123-2 1031998 H O UG H T O N M IF F L IN by Stephanie Cohen PHOTOGRAPHY CREDITS: Cover ©1995-2007 Denver Public Library, Colorado Historical Society, and Denver Art Museum. 1 © Artville. 2 #S372-67 Nebraska State Historical Society. (frame) C Squared Studios. (bkdg) © Shutterstock. 3 Nebraska State Historical Society. 4 ©1995-2007 Denver Public Library, Colorado Historical Society, and Denver Art Museum. (frame) C Squared Studios. 5 (b) Fred Hulstrand History In Pictures Collection, NDIRS-NDSU, Fargo, North Dakota. (parchment) © Shutterstock. 6 © Artville. 7 ©1995-2007 Denver Public Library, Colorado Historical Society, and Denver Art Museum. (frame) C Squared Studios. (bkgd) © Shutterstock. 8 The Granger Collection, New York. 9 Fred Hulstrand History In Pictures Collection, NDIRS-NDSU, Fargo, North Dakota. (parchment) © Shutterstock. 10 Joseph Sohm/Visions of America/Corbis. Copyright © by Houghton Mifflin Harcourt Publishing Company All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage and retrieval system, without the prior written permission of the copyright owner unless such copying is expressly permitted by federal copyright law. Requests for permission to make copies of any part of the work should be addressed to Houghton Mifflin Harcourt School Publishers, Attn: Permissions, 6277 Sea Harbor Drive, Orlando, Florida 32887-6777. Printed in China ISBN-13: 978-0-547-02123-2 ISBN-10: 0-547-02123-2 1 2 3 4 5 6 7 8 0940 18 17 16 15 14 13 12 11 If you have received these materials as examination copies free of charge, Houghton Mifflin Harcourt School Publishers retains title to the materials and they may not be resold. Resale of examination copies i