Excerpt from Fourth Annual Report on the Geological Survey of the State of Pennsylvania, 1840In 1, the Society} 31125 stern 111110111111 Appalachia the South Delaware and Susquehanna rivers, terminating on the inlier at Muncy creek, limus assisted by Messrs. Whepley and Leslie, the investigations embracing many points. Of intricacy, particularly m the Pottsville coal basin and the valley north of the Blue mountain.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.