U S. GEOLOGICAL SURVEY 



MONOGRAPH XXXII.PART II, PL in 



MOUNT HOLMES 



ANTLER PEA 



ELECTRIC PEAK 



S(!<;iion I 



ELECTRIC PEAK 



CROWFOOT RIDGE 



Section n A 



Section in 



GEOLOGICAL SFXTIOKS ACROSS GALLATIN IUNGL 



LEGlfe) 



CRETACEOUS 



1 Kci 



JURATRIAS CARBONIFEROUS DEVONIAN 



SILU_RIAN_ 



Cambrian 



Scale o r Mil es 



! Nm [ NeM 



1 - - -» - J 



