All Employees: Mining: Support Activities for Mining in California was 7.90000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Mining: Support Activities for Mining in California reached a record high of 15.40000 in January of 2014 and a record low of 7.30000 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Mining: Support Activities for Mining in California - last updated from the United States Federal Reserve on March of 2024.