Please see the [Transcriber’s Notes] at the end of this text.
New original cover art included with this eBook is granted to the public domain.
POLITICAL AND COMMERCIAL
GEOLOGY
AND THE
WORLD’S MINERAL RESOURCES
McGraw-Hill Book Co. Inc.
PUBLISHERS OF BOOKS FOR
Coal Age ▽ Electric Railway Journal
Electrical World ▽ Engineering News-Record
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Chemical & Metallurgical Engineering
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POLITICAL AND COMMERCIAL
GEOLOGY
AND THE
WORLD’S MINERAL RESOURCES