. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. Nos. 61, 62, 63, 64, April, May, June, July, 1928, respec-tively. These notes contain the lists of mineral deposits wanted andminerals for sale issued in the form of a mimeographed sheet monthly. Itis mailed free to those on the mailing list for Mining in California. ADMINISTRATIVE DIVISION 243 Mails and Files The Division of Mines maintains, in addition to its correspondencefiles and the library, a mine file which includes original reports on thevarious mines and mineral pro
. Appendix to the Journals of the Senate and Assembly of the ... session of the Legislature of the State of California. Nos. 61, 62, 63, 64, April, May, June, July, 1928, respec-tively. These notes contain the lists of mineral deposits wanted andminerals for sale issued in the form of a mimeographed sheet monthly. Itis mailed free to those on the mailing list for Mining in California. ADMINISTRATIVE DIVISION 243 Mails and Files The Division of Mines maintains, in addition to its correspondencefiles and the library, a mine file which includes original reports on thevarious mines and mineral properties of all kinds in California. During each quarterly period there are several thousand lettersreceived and answered at the San Francisco office alone, coveringalmost every phase of prospecting, mining, and developing mineraldeposits, reduction problems, marketing of refined products, and min-ing law. In addition to this, hundreds of oral questions are answereddaily, both at the main office and the district offices, for the manyinquirers who come in for personal interviews and to consult the filesand 244 REPORT OF STATE MINERALOGIST DIVISION OF MINERALS AND STATISTICS Statistics, Museum, Laboratory Henry H. Symoxs^ Statistician and Cuiator STATISTICS Data on the 1927 production of several California minerals weregiven in the April issue of Mining in California, and some additionalones are presented herein. Copy of the complete annual report forthe year is now being prepared and will shortly go to the printer asBulletin No. 101 of the Division of Mines and Mining. COPPER Copper is second only to gold among the metals mined in output for 1927 amounted to a total of 27,350,316 pounds of recov-erable metal valued at $3,582,888, a decrease from the 1926 figures of33,521,544 pounds and $4,693,014. The average price of copper for1927 was cents per pound against cents in 1926. As for several years past, Plumas County ranks first for 1927, withan o
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