A comprehensive guide to the use of cyanide in metallurgical processes. The author covers the chemistry of cyanide, its application in the extraction of gold and silver, and the management of environmental risks associated with its use. This book is an important resource for scientists and engineers working in the field of metallurgy. 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.