BULL. GEOL. SOC. AM. 



VOL. 15, 19C3, PL. 19 



Figure 1. — General View of Lone Mountain 

 Lone mountain is contoured by Lahontan shore terraces. Trinity mountains in distance 



Figure 2. — South End or Lone Mountain 

 Showing granite, made cavernous by weathering and shore action, overlain by tuff* and capped with rhyolite lava 



VIEWS OF LONE MOUNTAIN 



