The Mother Lode Region of California

by

W.H. Storms E.M.

California State Mining Bureau

Bulletin No. 18

175 Pages

Introductory

General Geology of the Gold Belt

• The Schists and Metamorphic Rocks
• The Alteration of other Massive Rocks

Several Divisions of the Gold Belt

• The Central Gold Belt
• Classification and Description of Rocks
• The Dolomitic Vein
• The East Lode

Methods of Mining

• Timbering
• Filling
• Drainage
• Comparison of Steam and Cornish Pumps
• The Diamond Drill

The Cost of Mining

• Detailed Cost of Mining at Mahoney Mine
• Detailed Cost of Milling at Mahoney Mine
• Detailed Cost of Mining and Milling at Gwen Mine

Mining Machinery

Mine Bell Signals

The Mines (Pgs 43 - 150)

• The Mines of Amador County
• The Mines of El Dorado County
• The Mines of Calaveras County
• The Mines of Tuolumne County
• The Mines of Mariposa County
• The Mines of Madera County

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