Thomas McCarty
1827 – 1886
Pioneer Settler & Rancher
of Calaveras Co.
Discoverer of copper ore
at Copperopolis, Calif. In
1860. Developed mine & was
principal share owner,
Town was named for the
Copper ore. It was a boom
town during the Civil
War. Copper was used in
making of war implements.
Marker can ...