Excerpt from California Mineral Production for 1915: With Mining Law Appendix and County Maps The Bulletin herewith presented of the mineral industries of California is the result of a painstaking effort to so compile the statistics of production that they will he of actual use to producers and to those interested in the utilization of the mineral products of our state. In addition to the mere figures of output, we have included descriptions of the uses and characteristics of many of the materials, as well as a brief mention of their occurrences. The compilation of accurate and dependable figures is an extremely difficult undertaking, and the State Mineralogist lakes the opportunity of here expressing his appreciation of the universal co-operation of the producers in making this work possible. The response to our request for early replies is particularly pleasing. A fuller appreciation of the value of early responses to the requests sent out at the beginning of each year, will result in earlier publication of the data in the future. It is the evidence herein put forth that should make us realize the magnitude of our latent mineral resources in this state. The total value for 1915 reached the sum of over ninety-six and a half million dollars, being a considerable increase over the preceding year. For the current year of 1916, there is promise of still greater results in many lines. Except for the year 1383, the gold yield for 1915 was the largest California has shown since 1864. In addition to this, many inquiries are being received relative to this state's resources in the industrial minerals, such as asbestos, chrome, magnesite, manganese and many others. 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.