This quarterly publication from March 1923 is a must-have for collectors of mining history. Filled with detailed reports and articles about mining in California, this magazine is a valuable resource for anyone interested in the subject. The publication is from the United States and has not been modified in any way. 133 pages. The content of this magazine covers a wide range of topics related to mining in California, including articles about specific mining regions, mining techniques, and the impact of mining on the environment. This publication is perfect for anyone interested in learning more about the history of mining in California or for collectors who want to add a unique piece to their collection.