Clarence August Logan Knihy

This comprehensive study of the geology and mineral resources of California's manganese and chromium deposits is a must-read for anyone interested in mining or the history of California. Featuring detailed maps and analyses of the economic and scientific aspects of these elements, this book is a valuable resource for students, researchers, and industry professionals alike.

This book provides a comprehensive survey of the platinum and related metal deposits in California. Clarence August Logan covers the geology and mineralogy of these deposits, as well as the history of mining and exploration in the state. This is an essential resource for anyone interested in the mining industry, mineralogy, or the history of California.