Excerpt from Mother Lode Gold Belt of California The present bulletin is intended to supply such details as grade and character of ores, working costs and production figures. Some atten tion will be given to geologic factors which seem to have had a bearing on vein formation and ore deposition. It seems strange that in spite of the mass of published data On this lode, several Of these factors have been ignored. The report will be an exposition of the actual results of mining and such value as it may prove to have will be due to the effort made to give the mining investor, engineer and mine manager those data so essential in forming judgments. 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.