11$. 1916 c 



Collier, Arthur J. 



1907 a Gold-bearing River Sands of Northeastern 



Washington. Bull.tJ.S.Oeol.Surv. , no. 315, 

 pp. 56-70, 1907. 



The Geology and Mineral Resources of the 

 John Day Region. Oregon Bur. Mines and 

 Qeol. , Mineral Resources of Ore., vol.1, 

 no. 3, 47 pp., 3 maps, 4 figs*, 4 pis., 

 Mar., 1914. 



(Geology of the Columbia River Basin, between 

 the John Cay River and the Umatilla River.) 

 State Engineer of Ore*, Oregon Cooperative 

 Work, John Day Project, pp. 31-35, Portland, 1916 



Ore Deposits in the St. Joe Rivsr Basin, 

 Idaho. Bull.tJ.S.Geol.Surv. ,no.285, 

 pp. 139-139, pl.4,fig.6 (maps), *8 * 



The Geology and Tain Phenomena of Arizona. 

 Trans.Amer.Inst.Mln.3ngr s*, vol. 30, 1900, 

 pp.1038-1101; Preliminary, The Engineering 

 and Min. Jour,, vol. 80, p. 369, Oct. 19,1895. 



Condon, Thomas 



116* 1874,1880 a Preliminary Report of the State Geologist to 



the Legislative Assembly, Eighth Sens., 1874. 



Sales, 23 pp. ,1874, 1380. 



