1. Earth: Geologic Principles and History FIRST EDITIONCHERNICOFF/FOX/TANNER

2. Chapter 19 Interpreting the Past

3. Copyright © by Houghton Mifflin Company. All rights reserved.3 Figure 19.01: The Grand Canyon

4. Copyright © by Houghton Mifflin Company. All rights reserved.4 Figure 19.03: Layering in sedimentary rocks

5. Copyright © by Houghton Mifflin Company. All rights reserved.5 Figure 19.04: Multiple rock types within one formation

6. Copyright © by Houghton Mifflin Company. All rights reserved.6 Figure 19.11: Coarsening upward sequence

7. Copyright © by Houghton Mifflin Company. All rights reserved.7 Figure 19.16: Galapagos tortoises

8. Copyright © by Houghton Mifflin Company. All rights reserved.8 Figure 19-1h-01: Marine iguanas