Title:Sonoma County mercury mine documents, [ca. 1903-1970]
Contains mining claims, superintendent Oliver Roberts' annual report on the Socrates Mine, and articles relating to mercury
mines in Sonoma County, Calif.
Subject:Mercury mines and mining -- California -- Sonoma County
Mining claims -- California -- Sonoma County
1 v. (14 items)
BANC MSS 2005/125 c v. 1