State Registered Landmark No. 265

Richest placer mining section, extending five miles in Calaveras County. Received name from Chileans who worked gulch in 1848 and 1849, and scene of the so-called Chilean War. Largest known quartz crystals recovered from mine on south side of gulch.

Marker placed by California Centennials Commission
Base furnished by Mokelumne Lions Club
Dedicated July 4, 1949