Economic Geology Of The Feldspar Deposits Of The United States Classic Reprint

Excerpt from Economic Geology of the Feldspar Deposits of the United States The present bulletin brings together in a single volume all available practical information concerning the commercial feldspar deposits of the United States. Scientific problems are discussed only so far as they are of commercial importance or so far as the discussion may contribute to a general understanding of the deposits. The feldspar localities of Maine were visited by the writer in the summer of 1906, the work being authorized by the United States Geo logical Survey in cooperation with the Maine State Survey Commission. Those of New York, Connecticut, Pennsylvania, and Maryland were visited at various times from 1906 to 1909 under the auspices of the United States Geological Survey. 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.