History of the State of California: From the Period of the Conquest by Spain, to Her Occupation by the United States of America : Containing an Account of the Discovery of the Immense Gold Mines and Placers, the Enormous Population of Gold-seekers, the Quantity of Gold Already Obtained, a Description of Her Mineral and Agricultural Resources : with Thrilling Accounts of Adventures Among the Miners : Also, Advice to Emigrants on the Best Routes, and the Preparations Necessary to Get There : to which is Added a Brief Account of the Formation of the Government and Constitution of the Said State