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



Old River-Bed Gold Mining Company. Report, 1879. New 

 York, 18 pp. 



The mines of this company are situated in Butte County, on the 

 west branch of the Breather River. The report contains reports and 

 sections, by J. H. L. Tuck and R. H. Stretch, on tlje old Pliocene 

 river-beds of California, with sections of the west branch of 

 Feather River, Butte County, California. 



Oregon and California: Account of gold regions, methods of 

 testing gold, etc. 1849. 76 pp. col. map. 



Pacific Coast Petroleum Company lands in San Luis Obispo 

 County. 1865. 15 pp. 



Palmer, Gen. Wm. J. Report of surveys across the continent 

 in 1867-68, on the 35th and 32d parallels, for a route ex- 

 tending the Kansas Pacific Railway to the Pacific Ocean 

 at San Francisco and San Diego. Philadelphia, 1869. 

 250 pp. maps. 



Contains a report by Dr. C. C. Parry, geologist and naturalist to 

 the Survey, on the mineral districts of central and western Arizona 

 and southern California. 



Patterson, L. B. Twelve years in the mines of California. 

 Cambridge, 1862. 108 pp. 



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. 



London, 1862. tract. 



The mining and metallurgy of gold and silver. Lon- 

 don, 1867. tract. 



Phillips, John S. Explorers and assayers' companion; 

 rocks, veins, testing, and assaying. 2 vols. San Fran- 

 cisco, 1879. 



Player-Froud, 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. 



