100 A Bibliography of the Geology, etc.. of California. 



Pfeiffer, E. J. Sketch-map of the Forest Home and Willow 

 Springs Copper Mining District, Amador County. San 

 Francisco, 1864. 



Phillips, John Arthur. Notes on the chemical geology of the 

 gold fields of California. London, 1868. tract. 



Gold mining and gold discoveries made since 1851. Lon- 

 don, 1862. tract. 



The mining and metallurgy of gold and silver. London, 



1867. tract. 



Phillips, John S. Explorers and assayers' companion; rocks, 

 veins, testing, and assaying. 2 vols. San Francisco, 

 1879. 



Player-Frowd, J. G. Six months in California. London, 



1872. 164 pp. 



A sketch of the general geological features of California is given on 

 pp. 48-57 ; of mines and mining, on pp. 85-108. 



Quicksilver: Facts concerning mines in Santa Clara County, 

 California. New York, 1859. 



Ramos, J. M. Informe relativo a los Trabajos ejecutados por 

 la comision exploradora de la Baja California. Mexico, 

 1886. 222 pp. maps and geological sections. 



Raven, Ralph. Golden dreams and leaden realities; with 

 introduction by F. Fogie. New York, 1853. 344 pp. 



Remond, a. Report of an exploration and survey of the coal 

 mines of Monte Diablo district. San Francisco, 1861. 

 Contains small sketch-map in black, showing Tertiary hills. 



Revere, J. W. (Lieut. U. S. Navy). A tour in California, in- 

 cluding a description of the gold region and an account 

 of the voyage around Cape Horn, etc. New York, 1849. 

 305 pp. maps and illustrations. 



Chapter XIX treats of the gold regions. It also contains the official 

 report of Colonel Mason, etc. 



Robinson, Fayett. California and the gold regions, with a 

 geographical and topographical view of the country, its 



