Publisher's Synopsis
Excerpt from The Foundations of National Prosperity: Studies in the Conservation of Permanent National Resources
Part III deals with minerals which present peculiar problems in conservation. We have in the case of minerals to do with natural treasures created once for all. When the supply is gone, no more is to be had. The situation changes as the supply lessens. Professor Leith has spent a great amount of time and research on the subject which he discusses, and the editor of this volume feels safe in asserting that no more authoritative presentation of the subject can be found.
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