Thomas Henry ClarkRessenyes
Autor/a de Geological evolution of North America
Ressenyes
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Appendixes start on page 522, summarizing the classification of plant and animal life, and there is an 18 page index.
There have been few changes in the knowledge of earth's history since this book was published. Most noteable might be the pinpoint location of the crater left by the asteroid that hit earth ending the dinosaur age and also most living things. Other craters have been found that relate to some of the other geologic era terminations. The material in the book is still up to date.