California Journal of Mines and Geology, Vol. 54

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Excerpt from California Journal of Mines and Geology, Vol. 54: January 1958During 1956, for the first time in history, the value of the mineral production of California exceeded a billion and a half dollars - a 7 percent increase over 1955. For 6 consecutive years the mineral pro duction has registered an all-time high, and for 9 successive years it has exceeded the 1 billion dollar mark.This vast wealth may be attributed first. To the mineral fuels - oil and gas percent) second to the nonmetallic minerals per cent), and third to metallic minerals percent). It is the decline in the production of some of the metallic minerals which brings forth the statement that mining is now in the doldrums, but the nonmetallic mineral industries are soaring to new heights, and for reasons of simple economics, the future for these useful commodities is exceedingly bright. Production of some of the metallics - iron, lead, zinc, and chrome - walso increased.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.