Copperopolis, CA Silver Mines

Mine	Owner	Land Status	Work Type	Minerals
Alto Gold Prospect	Glamis Gold, Inc.			Silver
Alto Mine	Various private owners	Private		Silver
Calaveras Copper			Underground	Silver
Collier		Unknown		Silver
Collier Mine			Underground	Silver
Copper Crescent				Silver
Copper Crescent		Unknown		Silver
Donner Mine			Underground	Silver
Empire Mine		Unknown		Silver
Gopher Hill Mine			Underground	Silver
Gopher Hill Mine		Unknown		Silver
Jackass		Unknown		Silver
Keystone-Union			Underground	Silver
Little Quail Hill Mine				Silver
Mountain King			Surface/Underground	Silver
Napoleon			Underground	Silver
Napoleon Mine	E. A. Nutter	County	Underground	Silver
North Keystone			Underground	Silver
Pioneer Mine			Underground	Silver
Pioneer Mine		Unknown		Silver
Quail Hill			Underground	Silver
Quail Hill		Unknown		Silver
Royal Mine			Surface/Underground	Silver
Royal Mine Pine Log		Unknown		Silver
Royal Mountain King Mine	Meridian Gold Inc.	BLM Administrative Area		Silver Silver
Royal-Mountain King Prospect	Jv-Mother Lode Gold Mines Consolidated And Fmc	Unknown		Silver