Cartography of California. 189 



Map of Mono Basin in Pleistocene time. Scale, 1 : 250,000. 

 J. C. Russell, geologist. U. S. Geol. Surv., Ann. Report 

 VIII, part 1, pp. 328-329. 



Geological map of Mount Ingalls. Scale, 1 : 62,500. Geology 

 by W. H. Turner. U. S. Geol. Surv., Ann. Report XIV, 

 part 2, pp. 490-491. 



Map of Oro Fino and other claims near Nevada City. U. S. 

 Geol. Surv., Ann. Report XVII, part 2, p. 219. 



Geological map of Nevada City and Grass Valley mining dis- 

 trict, Nevada County, California. Scale, 1 : 28,800. 

 Geology by W. Lindgren. IT. S. Geol. Surv., Ann. Re- 

 port XVII, part 2, pocket. 



Map of New Almaden district. Scale, 1,250 ft. to 1 in. 

 George F. Becker, geologist in charge. U. S. Geol. Surv., 

 Mon. XIII, atlas sheet no. 7. 



Map of New Idria district. Scale, 1,250 ft. to 1 in. George 

 F. Becker, geologist in charge. U. S. Geol. Surv., Mon. 

 XIII, atlas sheet no. 6. 



Map of Oathill quicksilver mine. Scale, 1,250 ft. to 1 in. 

 H. W. Turner, geologist. U. S. Geol. Surv., Mon. XIII, 

 pp. 354-355. 



Map of the Ophir and Duncan Hill mining district, Placer 

 County, California. Topography and geology by W. 

 Lindgren. Scale, 1,400 ft. to 1 in. U. S. Geol. Surv., 

 Ann. Report XIV, part 2, pp. 248-249. 



Map of morainal embankments of Parker and Bloody can- 

 yons. Scale, 1:50,000. J. C. Russell, geologist. U. S. 

 Geol. Surv., Ann. Report VIII, part 1, pp. 340-341. 



Map of the distribution of quicksilver mines. George F. 

 Becker, geologist in charge. U. S. Geol. Surv., Ann. 

 Report VIII, part 2, pp. 966-967 ; Mon. XII, frontispiece. 



