Discover the reports of the inspectors of mines in this critical work about the coal regions of Pennsylvania. Released annually in the late 19th and early 20th centuries, these reports provide insight into working conditions and mining practices of the time, as well as data on the production and transportation of coal and other minerals. 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.