Download or read book Shorter Contributions to General Geology, 1918 (Classic Reprint) written by United States Geological Survey and published by Forgotten Books. This book was released on 2018-10-08 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Shorter Contributions to General Geology, 1918 I have been enabled to make the determina tions described in this paper through the inter est and cooperation of T. W. Vaughan, of the United States Geological Survey, and H. F. Moore, of the Bureau of Fisheries. Mr. Vaughan pointed out the need of such determinations, particularly for American waters, and Mr. Moore authorized the collection of the samples, which were actually collected by W. W. Welsh and shipped in citrate Of magnesium bottles to the chemical laboratory of the Geological Survey for analysis. It is a great pleasure to express appreciation for the assistance offered by all those who helped to make the study possible. 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.