Puhlications of the State of California. 23 



The auriferous gravels of the Sierra Nevada of California ; by 

 J. D. Whitney. Cambridge, 1879-80, pp. 1-288; 1880, 

 pp. 289-569. 24 plates and 2 geological maps. Memoirs of 

 the Museum of Comparative Zoology, vol. 6. 



The climatic changes of later geological times. A discussion 

 based on observations made in the Cordilleras of North 

 America; by J. D. Whitney. Cambridge, 1880-82. 394 

 pp. Memoirs of the Museum of Comparative Zoology, 

 vol. 7. 



Contributions to American Geology, vol. 1 ; by J. D. Whitney. 

 Cambridge, 1880. 



This is the same as the auriferous gravels. 



Contributions to American Geology, vol. 2. 



This volume contains Lesquereux's Fossil plants of the auriferous 

 gravels, and Whitney's Climatic changes of later geological times. 



SURVEYOR-GENERAL'S REPORTS. 



Geology of a part of Calaveras County. December, 1854. By 

 William Patton. In report to the Surveyor- General of 

 California; Document No. 5, Appendix F, pp. 86-88. 

 Sacramento, 1855. 



The tract noticed embraces an extent of the county between the 

 Mokelumne River and Middle Fork, and the Stanislaus and North 

 Fork, longitudinally ; and latitudinally, the space between the foot- 

 hills and the headwaters of the San Antonio branch of the Cal- 

 averas. 



Report of a survey of a portion of the eastern boundary of 

 California, and a reconnoissance of the old Carson and 

 Johnson immigrant roads over the Sierra Nevada. In 

 Annual Report of the Surveyor-General, 1856 ; Assembly 

 Doc. No. 5, Session of 1856, pp. 91-186. 



This report, by George H. Goddard, contains a few geological 

 notes on rocks along the route. 



