California Connected visits a five stamp mill in Mariposa. During the height of the gold rush in the mid-1800’s, gold stamp mills dotted the landscape. Working 24 hours a day, they smashed large chunks of rock from the Sierra Nevada, releasing the gold from the quartz.
- The Gold Rush, PBS
- Gold Rush: The Series, The Sacramento Bee
- Mariposa County Visitors Bureau

December 13th, 2006 at 2:26 pm
did the gold stamp mills use mercury in their trays?