U. S. GEOLOGICAL SURVEY
GEORGE OT1S SMITH. DIRECTOR WATER-SUPPLY PAPER 338 PLATE XI
From Lassen Peak atlas sheet
U. S. Geological Survey MAP OF LASSEN PEAK REGION, CALIFORNIA
Scale 25o^.iO~n
8 oo Mfl
Contcmz' inteTval 2OO
DccUan.WTiiecm: Sea. level
1914