Report of the Department of Mines of Pennsylvania, 1911, Vol. 1

Download or read book Report of the Department of Mines of Pennsylvania, 1911, Vol. 1 written by Pennsylvania Dept Of Mines and published by Forgotten Books. This book was released on 2016-09-20 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Report of the Department of Mines of Pennsylvania, 1911, Vol. 1: Anthracite Falls of coal at: face, 1 4 Falls of coal at pillar work, 1 1 1 Falls of coal on gangway, Falls of coal back in chamber, 1 3 Falls of coal in old workings. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.