California OF MlNE&siTY of AV,S RY I ( 59 Amador County, IRY BUILDING, 9 LIBRARY STATE OF CALIFORNIA...containing several thousand books and on geology, mining, mineralogy, chemistry, metallurgy, and related...devoted to the petroleum and mining industries, and newspapers from the mining centers of the state exhibits...California minerals and a conference room with a mining engineer in attendance to serve the public and...mineral resources, mineral industry, geology, and mining operations of California is distributed to the |