This stamp mill from the Keystone Mine, which would help create gold bullion in a process that used mercury, is displayed in Amador City.
This stamp mill from the Keystone Mine, which would help create gold bullion in a process that used mercury, is displayed in Amador City.
This stamp mill from the Keystone Mine, which would help create gold bullion in a process that used mercury, is displayed in Amador City.

The Central Coast and the legacy of the Mother Lode, part 2

September 20, 2014 08:39 PM

About Dan Krieger

Dan Krieger

Dan Krieger is a professor emeritus of history at Cal Poly and past president of the California Mission Studies Association.