Ancient River Beds
The Ancient Channels
Forest Hill Divide
Gold in Ancient River Channels
Mysteries of the Ancient Rivers
Born Before the Flood
Relics of the Stone Age
The Father Lode of California
Auriferous Gravels in Placer County
1873
1885
Cost of Mining
Mining at Dutch Flat and Gold Run
Iowa Hill Canal
Hogsback Mine Tunnel
The Red Point Drift Gravel Mine
A Worthy Enterprise
Drift Mining
Interesting Mine Model, Hidden Treasure
Inside a Drift Mine,1890
Drift Mining,1888
Drift Mining Operations
Drift Mining in Placer Co.
Placer Co., Hogsback Mine
Our Drift Mines
Electric Power in Drift Mining, 1893
Prospecting Drift Mines by Boring, 1893
California Drift Mining, 1899
Forest Hill Divide Mines
Cement Mining in Placer County,1867
1866-1869
1870-1879
1880-1889
1890-1894
1895-1899
1900 to 1904, V 80-89
1905 to 1909, V 90-99
Gravel Mining in Placer County
The May Flower Gravel Mine Company
The Strike at the Mayflower Mine
Gravel Mining in Placer County, 1892
Hydraulic Mining
Early Hydraulic Mining
The Stewart Bill and Drift Mines
Profits of Hydraulic Mining
Gravel Mining,1874
The Miners Appeal
Hydraulic Gold Mining, 1875
Practical Treatise on Hydraulic Mining
The Drift Mining Interests
The little Giant Controversy
Mining at Dutch Flat and Gold Run
Mining at Ophir
Ophir Mines, 1889
Ophir Mines, 1891
Placer County Mines
Mining in Placer County, 1868
Mining in Placer County, 1868
Mining in Placer County, 1869
1873-1885
Placer County Mines, 1888
The Mines of Placer County, 1889.
Eastern Placer County, 1893
Central Placer County, 1893
Quartz Mines
A Typical California Quartz Mill
Where They Are (Quartz Mines)
The Washington Mine, Bath
Quartz Mines, 1881
Quartz Mines, 1882-1889
Quartz Mining in the Vicinity of Auburn
Various Topics
A Fortunate Runaway
Bank Blasting
Bank Blasting with Low Nitro Powder
California Gold Nuggets, 1881
Exciting Mining news, 1872
Iowa Hill District
Mineral Land - An Important Decision
Motive Power at Mines
Placer Gold
Placer Mining, 1874
The Chispa
The Gold Belt of California
The Gold Belt of Northern California
The Great Blue Gravel Company
The Hazard Mine
The Hidden Treasure Mine Fire
The Source of Gold
What Some of Our Mines are Doing, Bath
Accounting of Mine Transportation Costs
Compressed Air Traction Plant
Electric Mine Locomotives
Underround Photographs, Dorer mine
Placer County, 1890
Pneumatic Locomotive for Mines
Prehistoric Implements, Bath
Ralston Divide
Relics of the Gold Era of 49
Spring Garden District
The Mining Industry in 1885
The Pelton Water-Wheel
The Spanish Tongue in California
Tracing Ancient River Channels
Water and Gold
Water vs Whisky
Mining & Scientific Press Articles