CA-324 New Irdia Mine

Marker text: NEW IDRIA MINE

Named for Idria Mine in Austria, the New Idria ranks among the most famous quicksilver mines of the world. Mission fathers, before American occupation, made assays and determined the ore to be cinnabar, mining began in the 1850s, and in 1881 between two and three hundred men were employed.

Historical Landmark No. 324
Department of Public Works - Division of Highways