"Mining and Metallurgy, Issue 87" presents a collection of articles and reports from the American Institute of Mining and Metallurgical Engineers. This volume offers insights into the practices, technologies, and advancements within the mining and metallurgical industries of the time. Readers will find detailed discussions on mineral extraction, ore processing, and the science of metals.This issue serves as a valuable historical record, capturing the state of mining and metallurgical engineering and its associated challenges and innovations. It is an essential resource for historians of science and technology, as well as those interested in the evolution of these critical industries. It reflects the ongoing efforts to improve efficiency, safety, and sustainability in the extraction and processing of valuable resources.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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.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.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.
