24 BULLETIN 131, UNITED STATES NATIONAL MUSEUM 



48. Seafoara. Au, Ag, 109 miles NW. Ketchum, O. S. L. R. R. 



Min. Res. 1905, p. 230. 



1908, pt. 1, p. 422. 



1909, pt. 1, p. 346. 



Ida. Bur. Geology & Mines, Bull. 3, 1920. 

 Top. sheet, Bear Valley. 



49. Sheep Mountian. Ag, Pb. 



131 miles NW. Ketchum, O. S. L. R. R. 



Granite and schist cut by diorite and quartz porphyry. 



Replacements. 



Eldridge, G. H., A geological reconnaissance across Idaho. Sixteenth Ann. 



Rept., pt. 2, 1895, p. 258. 

 Idaho Bureau Mines & Geology, Bull. 3, pp. 13-17, 1920. 

 Top. sheet Bear Valley. 



50. Stanley Basin. Au, Ag (D. PL). 



89 miles NW. of Ketchum, O. S. L. R. R. 

 Granite and porphyry. 

 Veins, stream gravels. 

 Min. Res. 1905, p. 230. 



1906, p. 256. 



1907, pt. 1, p. 296. 



1908, pt. 1, p. 422. 



1909, pt. 1, p. 346. 



Idaho Bureau of Geology and Mines, Bull. 3, pp. 13-17, 1920. 



Hess, F. L., and Wells, R. C., Brannerite, a new mineral. Journal Franklin 



Institute, vol. 189, pp. 225-237, 1920. 

 Top. sheet Bear Valley. 



51. Washington Basin. Au, Ag. 



48 miles NW. of Ketchum, O. S. L. R. R. 



Umpleby, J. B., Ore deposits in the Sawtooth quadrangle, Blaine and Cus- 

 ter Counties, Idaho. Bull. 580, pp. 244-246, 1915. 



52. Yankee Fork (Custer). Au, Ag. 



114 miles NW. of Mackay, O. S. L. R. R. 



Tertiary volcanics. 



Veins. 



Min. Res. 1905, p. 231. 



1906, p. 256. 



1907, pt. 1, p. 296. 



1908, pt. 1, pp. 421-422. 



1909, pt. 1, p. 346. 



Umpleby, J. B., Some ore deposits in Northwestern Custer County, 

 Idaho. Bull. 539, pp. 80-89, 1913. 



Elmore County 



53. Atlanta. Au, Ag (D. PI.). 



89 miles NE. Mountain Home, O. S. L. R. R. 



Granite cut by quartz porphyry. 



Veins, stream gravels. 



Eldridge, G. H., A geological reconnaissance across Idaho. Sixteenth Ann. 



Rept., pt. 2, 1895, pp. 253-257. 

 Min. Res. 1905, p. 231. 



1906, p. 257. 



1907, pt. 1, p. 297. 



