Publisher's Synopsis
In this groundbreaking work, two of the foremost geographers of the early 20th century present a comprehensive study of the Earth as a unified system, from its geological history to its climate and biological diversity. Based on the latest scientific research and illustrated with detailed maps and diagrams, this book offers a vital perspective on our planet and its place in the universe. Whether you are a scientist, student, or general reader, this book is an essential resource.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.
Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
