THE MINERALS OF IDAHO 33 



96. Mackinaw. Au, Ag (PI. D.). 



20 miles NW. of Salmon, G. & P. R. R. 

 Pre-Cambrian complex cut by granite. 

 Veins, stream gravels. 

 Min. Res. 1907, pt. 1, p. 303. 



1908, pt. 1, p. 428. 



1909, pt. 1, p. 350. 



Umpleby, J. B., Bull. 528, pp. 150-152, 1913. 



97. Mineral Hill (Shoup). Au (D, PL). 



13 miles west of Noble, G. & P. R. R. 

 Gneiss cut by granite porphyry and diorite. 

 Veins, stream gravels. 



Lindgren, W., P. P. 27, pp. 66, 89-90, 1904. 

 Min. Res. 1905, p. 236. 



1906, p. 261. 



1907, pt. 1, p. 303. 



1908, pt. 1, p. 428. 



1909, pt. 1, p. 351. 



Umpleby, J. B., Bull. 528, pp. 140, 141, 1913. 



98. Parker Mountain. Ag, Au. 



75 miles SW. of Salmon. G. & P. R. R. 



Tertiary volcanics. 



Veins. 



Min. Res. 1905, p. 236. 



1906, p. 261. 



1907, pt. 1, pp. 303-304. 



1908, pt. 1, p. 428. 



Umpleby, J. B., Bull. 528, pp. 177-178, 1913 



99. Pratt Creek. Au, Ag, Pb (PI, D.). 



10 miles east of Baker, G. & P. R. R. 



Pre-Cambrian schist. 



Veins, stream gravels. 



Min. Res. 1908, pt. 1, p. 428. 



Umpleby, J. B., Bull. 528, p. 121, 1913. 



100. Spring Mountain. Pb, Ag, Cu, Au. 



38 miles SSE. Junction. G. & P. R. R., 60 miles NE. of Mackey, 



O. S. L. R. R. 

 Paleozoic sediments, cut by diorite. 

 Veins and replacements. 

 Min. Res. 1887, p. 107. 



1907, pt. 1, p. 303. 



1908, pt. 1, p. 428. 



1909, pt. 1, p. 351. 

 Umpleby, J. B., Bull. 528, pp. 86-87, 1913. 



101. Texas Creek (Gilmore). Pb, Ag, Au. 



19 miles south of Junction, G. & P. R. R-, 80 miles NNW. Dubois, 



O. S. L. R. R. 

 Paleozoic sediments cut by basic dikes. 

 Veins and replacements. 

 Min. Res. 1905, pp. 235-236. 



1906, pp. 261, 446. 



1907, pt. 1, p. 303. 



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