Publications of the United States Government. 41 



Report for 1889-90; by David T. Day. 



Contains : Quicksilver, pp. 94-109 ; Petroleum, by Joseph D. Weeks, 

 pp. 2S7-365 ; Borax, by Charles G. Yale, pp. 494-506 ; with reports on 

 other minerals. 



Report for 1891; by David T. Day. 



' Contains: Quicksilver, pp. 117-125; with reports on other minerals. 



Report for 1892; by David T. Day. 



Contains: Quicksilver ore deposits, by George F. Becker, pp. 139- 

 168; with reports on other minerals. 



Report for 1893; by David T. Day. 



Contains: Quicksilver, pp. 111-118; with reports on other minerals. 



Report for 1894; by David T. Day. 



The report forms Parts III and IV of the Sixteenth Annual Report 

 of the Survey. 



Fourteenth Annual Report, 1895. The rocks of the Sierra 

 Nevada; by H. W. Turner. Washington, 1895. pp. 

 441-495. pis. 48-59. 



The gold-silver veins of Ophir, California; by Waldemar 



Lindgren. pp. 249-284. 



Tertiary revolution in the topography of the Pacific Coast; 



by J. S. Diller. pp. 403-433. 



Fifteenth Annual Report, 1893-94. 



Sketch of the geology of the San Francisco peninsula ; by Andrew 

 C. Lawson. pp. 399-476, pi. v-xii. 



Sixteenth Annual Report, 1894-95. 



Parts III and IV con,tain reports on mineral resources. Part IV 

 contains reports on the production of coal in 1894, by F. W. Parker, 

 pp. 1-217; Petroleum, by Joseph D. Weeks, pp. 315-404; Asphaltum, 

 by E. W. Parker, pp. 430-435 ; Stone, by William C. Day, pp. 436-510 ; 

 with reports on other minerals. 



On the Quaternary and Recent mollusca of the Great Basin, 

 with descriptions of new forms; by R. Ellsworth Call. 

 Introduction is a sketch of the Quaternary lakes of the 

 Great Basin, by G. K. Gilbert. Bulletin No. 11, Vol. 2. 

 Washington, 1885. 56 pp. 6 plates. 

 4 



