Blake, Wau Phipps, ccnt'd 



Routes, to Connect with the Routes near the 

 35th and 32 ad Parallels of North Latitude. 

 33rd Congr.,3d seas. , Ben/ F,x. Doc. no. 78, Kept a. 

 Expl.andSurv. to Ascertain the Most Praoti- 

 oeble and Economics! Route for * Railroad 

 from the Mississippi River to the Pacific 

 Ocean in 1853-54, Vol. v, pp. (1856) 1857* 



See Preliminary Geological Report, 1855. 



53. 1857 j Observations on the Orography of the Western 



% 



Portion of the United States* Proo.Airer. Aesoo. 

 Ad v.Sci., Tenth meet. (Aug., 1856), pt 3, Natu- 

 ral Hist.,pp.ll9-134, 1857 



53. 1858 k Report of a Geological Reconnaissance in Cali- 



fornia: Hade in Connection with the Expedition 

 to Survey Routes in California, to connect 

 with the Surveys of Routes for a Railroad from 

 the Mississippi River to the Pacific Ocean, 

 under the command of Lieut. R.S.Williamson.,, 

 in 1853. With Appendix on Portions of the 

 Collections, by Louis Agassix, Aug. J.Gould, 

 J.W. Bailey, T. A. Conrad, John Torray, Geo.C. 

 Schaeffer. H. Bailliere, 4to, Hew York, London, 

 Paris, Madrid, 370 pp., 38 pis., illu3.,mape, 

 1858. 



54. 1864 1 Hotes on the Geology and Mines of Nevada Terri- 



tory (Washoe Silver Region, Ofoited States). 

 Qua? * Jour. Geol. Hoc*, vol. BQ, pp. 317-337, 4 figs., 

 Apr. 13, 1864. 



Notes on the Geographical Distribution and Ge- 

 ology of the Precious Metals and ^luable Miner- 

 als on the Pacific Slope of the United States. 

 Appendix to Jour. of Calif. Ben. and Assembly, 16th 

 sees. Legislature of Calif. , vol. 3, pp. 359-363, 

 1866. 



