91 books
Third Annual Report of the State Oil and Gas Supervisor of California, for the Fiscal Year 1917-1918
Fifth Annual Report of the State Mineralogist: For the Year Ending May 15, 1885 (Classic Reprint)
Third Annual Report of the State Mineralogist for the Year Ending, 1883 (Classic Reprint)
Eight Annual Report of the State Mineralogist: For the Year Ending October 1, 1888 (Classic Reprint)