Porter Mine

Also known as the Mountain Girl Mine. Sitting behind a locked gate, the Porter Mine is mined a few weeks out of the year for its high quality jewelry gold.

"Old man porter used to walk all the way into Ballarat and back in one day to cash in his gold and buy supplies."

angeles.sierraclub.org/dps/archives/dps01931.htm

From the California Journal of Mines and Geology, Vol. 47, No. 1, Jan. 1957:

Owned by: Harry C. Porter (deceased)

Several small quartz veins in schist carry coarse, free gold. Worked by tunnels and a shaft.