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Excerpt from California Mineral Production and Directory of Mineral Producers for 1941The compilation of accurate and dependable figures is an extremely difficult undertaking, and the State Mineralogist takes the opportunity Of here expressing his appreciation of the cooperation of the producers in making this work possible. A fuller appreciation of the value of early responses to the requests sent out in January will result in earlier complet...

Excerpt from California Mineral Production and Directory of Mineral Producers for 1940Some of the data relative to properties and uses of many of the minerals herein described are repeated from preceding reports, as it is intended that this annual statistical bulletin shall be somewhat of a compendium of information on California's commercial minerals and their utilization.About the PublisherForgotten Books publishes hundreds of thousands of r...

Excerpt from California Mineral Production for 1928It is the endeavor of the staff of the State Mining Bureau, in these annual reports of the mineral industries of California, to so compile the statistics of production that they will be of actual use to producers and to those interested in the utilization of the mineral products of our state, while at. The same time keeping the individuals data confidential. In addition to the mere figures Of....

Excerpt from California Mineral Production: And Directory of Mineral Producers for 1943It is the endeavor of the staff of the State Division of Mines (formerly State Mining Bureau), in these annual reports of the mineral industries of California, to so compile the statistics of production that they will be of actual use to producers and to those interested in the utilization of the mineral products of our state, while at the same time keeping ...

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Excerpt from California Mineral Production and Directory of Mineral Producers for 1940 As revealed by the following, salient features of 1940 as compared with the previous year were: All groups Of mineral substances, such as metals, structural materials, industrial minerals and salines showed an increase in total value, with the exception of the fuels which showed a decreased value. Of the year's mineral output quicksilver Showed the greatest...