Contributions to Mineralogy from the United States Geological Survey (Classic Reprint)

Download or read book Contributions to Mineralogy from the United States Geological Survey (Classic Reprint) written by F. W. Clarke and published by Forgotten Books. This book was released on 2017-10-31 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Contributions to Mineralogy From the United States Geological Survey The rather widespread occurrence in western Colorado of consider able quantities of a canary-yellow ore of uranium has been known for a few years past. It has been marketed to the extent of a few tons, but its mineralogical nature was unknown or incorrectly surmised until 1899. 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.