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



Report of 1870; b}^ R. W. Raymond, U. S. Mining Commis- 

 sioner. "Washington, 1872. 566 pp. 



Chapter on California mines ; by W. A. Skidmore. pp. 11-92. 

 Deep placer mining in California; by W. A. Skidmore. pp. 52-90. 

 List of stamp-mills in California. Chapter XVI. 



Report of 1871; by R. W. Raymond. Washington, 1873. 

 566 pp. 



Chapter on California; by W. A. Skidmore. pp. 13-140. 

 Diamonds in El Dorado County ; by W. A. Goodyear, p. 27. 



Report of 1872; by R. W. Raymond. Washington, 1873. 

 550 pp. 



Chapter on California ; by W. A. Skidmore. pp. 7-107. 



List of mining claims in California, pp. 102-107. 



Treatment of gold-bearing ores in California ; by G. F. Deetken. 

 Chapter XI. 



Pliocene rivers of California ; by A. W. Bowman. Chapter XVI. 



Hydraulic mining in California ; by Charles Waldeyer. Chapter 

 XVII. 



This report also contains a geological map of the United States, 

 by C. H. Hitchcock and W. P. Blake ; also, a map showing a por- 

 tion of the mining region in Placer and El Dorado counties, and 

 maps of Slate Creek Basin, Sierra County. 



Report of 1873; by R. W. Raymond. Washington, 1874. 

 585 pp. 



Chapter on California ; by W. A. Skidmore. pp. 13-154. 



Quicksilver in California ; by Charles G. Yale. pp. 27-29. 



Beach sands of Gold BlufE; by A. W. Chase, pp. 145-147. 



Mining and metallurgy of quicksilver in California ; by Louis 

 Janin, Jr. Chapter XI. 



The geological formation of iron deposits in California is given 

 on p. 44, extract from James D. Hague and Clarence King's report 

 of the Sierra Iron and Mining Company. 



Report of 1874; by R. W. Raymond. Washington, 1875. 

 540 pp. 



Chapter on California ; by W. A. Skidmore. pp. 11-194. 



Seam mining, p. 81. 



Geology of the Sierra Nevada in its relations to vein mining, with 

 map and tabular exhibit of results of mining; by Amos Bowman. 

 Chapter XVIIl. 



History of relative values of gold and silver. Chapter XIX. 



An abstract of Dr. J. G. Cooper's paper on the discovery of lig- 

 nites in Amador County and other counties in the foothills of the 

 Sierra Nevada is given on p. 75. 



