U. S. GEOLOGICAL SURVE> 
BULLETIN NO. 324 PL. 
A. ENDURANCE OF WALLS TIED TOGETHER WITH STEEL RODS, LEE BROTHERS' 
WAREHOUSE, SANTA ROSA. 
Slightly damaged at cornice. The few blocks which were thrown down by the earthquake were replaced 
previous to the taking of the photograph. 
B. WALL THROWN DOWN BY EARTHQUAKE VIBRATIONS OF ROOF TRUSSES WHICH WERE 
NOT TIED TO WALL, VANDERVOORT BROTHERS' LIVERY, PALO ALTO. 
EARTHQUAKE EFFECTS ON CEMENT-BLOCK WALLS. 
Photographs by Richard L. Humphrey. 
