26 BULLETIN 131, UNITED STATES NATIONAL MUSEUM 



58. Rocky Bar (Bear Creek). Au, Ag. 



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



Granite cut by diorite, diabase, and quartz porphyry. 



Veins. 



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



Rept., pt. 2, 1895, pp. 250-253. 

 Min. Res. 1907, pt. 1, p. 297. 



1908, pt. 1, p. 423. 



1909, pt. 1, p. 347. 

 Top. sheet Rocky Bar. 



Fremont County 



Horseshoe Creek (coal). See Woodruff, E. G., The Horseshoe Creek district of 

 the Teton Basin coal field, Fremont County, Idaho. U. S. Geol. Survey Bull. 

 541, pp. 379-388, 1914. 



59. Little Lost River (How). Pb, Ag. 



25 miles NE. of Arco, O. S. L. R. R. 

 Min. Res. 1908, pt. 1, p. 424. 

 1909, pt. 1, p. 347. 



60. Skull Canyon (Kaufman). Cu, Pb, Ag, Au. 



50 miles West of Dubois, O. S. L. R. R. 



Paleozoic sediments. 



Replacements. 



Weed, W. H., The copper mines of the United Stateslin 1905: Bull. 285, 



1906, p. 108. 

 Umpleby, J. B., Prof. Paper 97, pp. 110-112, 1917. 

 Min. Res. 1905, p. 231. 



1906, p. 257. 



1907, pt. 1, p. 298. 



1908, pt. 1, p. 424. 



Idaho County 



Jellum, S. P., Central Idaho gold districts (including Lolo, Pardee, Pierce, New- 

 some, Elk City, Orogrande-Fourmile, Buffalo Hump, Dixie, etc.). Northwest 

 Mining News, vol. 3, pp. 83-91, 107-114, 134-139; vol. 4, pp. 2-6, 31-37, 66- 

 73, (1908-9). Reprinted, 84 pp., Spokane, Wash., 1909. 



Maguire, Don, Central Idaho gold field. Mines and Minerals, vol. 19, pp. 

 289-291, 1899. 



Schrader, F. C, An occurrence of monazite in Northern Idaho. U. S. Geol. 

 Survey, Bull. 430, pp. 184-190, 1910. 



Silliman, Benjaman, jr., On an association of gold with scheelite in Idaho. Amer. 

 Journ. Sci., vol. 13, pp. 451-452, 1877. 



Thomson, Francis A., Gold veins of sundry areas in the Idaho batholith. Eng. 

 and Mining Journ., vol. 118, No. 14, pp. 533-540, 1924. 



61. Big Creek. Au, Ag, Pb, Cu. 



60 miles west of Kooskia, N. P. R. R. 



Veins. 



Min. Res. 1907, pt. 1, p. 299. 



1908, pt. 1, p. 425. 



1909, pt. 1, p. 348. 



Livingston, D. C, and Umpleby, J. B., A reconnaissance in south central 

 Idaho. Ida. Bureau Mines and Geology, Bull. 3, pp. 7-12, 1920. 



