Gold Mining Facts | Sciencing
Apr 25, 2017· Gold Mining Facts ••• Gold Nugget ... The Californian Gold Rush of the mid 1800s produced over 137 million ounces of gold, valued at over 50 billion by today''s standards. It all started with the discovery of gold in 1848 at presentday Sacramento by saw mill owner James Suter. Word quickly spreadin the four years that followed ...