The earth and its resources

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• 责任者：Finch ; Vernor Clifford
• 责任方式：Written
• 出版者：McGraw-Hill Book Company Inc.
• 出版年：1948
• 出版地：New York
• 出版日期：1948/1/1 0:00:00
• 分类号：200
• 语言：English

摘要

Many of the world’s pressing economic and social problems originate partly at least in the differences in environment and natural resources over the regions of the earth. A clear understanding of the physical environment, therefore, immeasurably enriches the study of economic, social, and political problems. For the American student particularly, because of the striking differences in natural endowment among different parts of the United States, an intelligent consideration of many national problems presumes a knowledge of the contrasts in climate, land surface, soils, minerals, and other resources between East and West, between North and South.