BULL. GEOL. SOC. AM. 



VOL. 15, 1903, PL. 20 



Figure 1. — Ckntral Part of Lone Mountain, looking west 



View shows rhyolite (dark) overlying tuff (light) and granite (foreground). Rhyolite and tuff dip northeast. 

 Above granite is Lahontan terrace. Fault traverses mountain as shown by dislocation of rhyolite at right 



Figure 2. — North End or Lone Mountain, looking west 

 Rhyolite cap and Lahontan terrace and cliff distinctly shown 



VIEWS OF LONE MOUNTAIN 



