The Auriferous Gravels of California

by

John Hays Hammond. E.M.

This is a little known gem of a book that was hidden in an old state report from the late 1800's on the Auriferous Gold Gravels of California.  The author was one of the formost experts on the gold deposits of California.

Contents include:

• Effects of Erosion
• Theories of Genesis of "Ancient Rivers"
• Geologic Age of the Allvions
• Material Filling in the Channels
• Width of the Channels
• Grade of the River
• Depth of the Channels
• Distribution of Gold
• Yield of the Channels
• Sections of Gravel Deposits
• Section Across Table Mountain (Tuoloumne)
• Section through Shaft 1 Malakoff (North Bloomfield Gravel Mining Company)
• Section at La Grange Mine (Stanislaus County)
• Sketchs of Various Sections and Cross Sections of the Gravels