Mineral Resources Of Johnstown Pennsylvania And Vicinity

Excerpt from Mineral Resources of Johnstown, Pennsylvania and Vicinity: Surveyed in Cooperation With the Topographic and Geologic Survey Commission of Pennsylvania This report is one of a number of bulletins and geologic folios containing the' results Of geologic investigations carried on by the United States Geological Survey in cooperation with the Topographic and Geologic Survey Commission of Pennsylvania. Several papers based on this work, for which the State paid one-half the cost, have been or will soon be published by the State; others are in prepara tion for publication by the United States Geological Survey. The field work on which this bulletin is based was done in the summer of 1906 by W. C. Phalen, assisted by Lawrence Martin. George H. Ashley, under whose supervision the work was done, visited the field and went over some of the more critical points. 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.