An informative and practical guide to the mining methods and equipment used in the anthracite coal fields of Pennsylvania in the late 19th century. This report provides a detailed account of the various mining techniques used, from room and pillar mining to longwall mining. It also includes detailed descriptions of the machinery used and the safety precautions taken to protect the miners. 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.

35 vols. are atlases.

Reprint of the original, first published in 1884.