California Mineral Production for 1928 (Classic Reprint)
Symons, Henry H.![California Mineral Production for 1928 (Classic Reprint)](https://support.digitalhusky.com/media/annotations/sorted/260/26070135/CHSBZCOP0326070135.jpg)
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....