"A single monitor [water cannon] with an eight-inch nozzle like ... On the heels of the gold rush, however, had come other settlers. As early as 1873, downstream farmers began to protest the ...

In a significant development for Gold Rush fans, Rick Ness’ mining ... Ness employed a 40-year-old hydraulic cannon, known as a monitor, to pump water and dilute the dense slurry.

On a cold January morning in 1848, James Marshall was busy building a lumber mill in northern California. to process timber destined for the nearby towns of Sacramento and San Francisco.