U. S. GEOLOGICAL SURVEY 
BULLETIN NO. 324 PL. XLII 
A. CRACKS IN MASONRY, PAVILION OF POST-OFFICE, SAN 
FRANCISCO. 
"he window reveal and sill were jostled together by the earthquake at the 
point indicated by the arrow. Photograph by John Stephen Sewell. 
B. EFFECT OF SLIP, MISSION STREET, SAN FRANCISCO. 
Corner of post-office building at the left. Photograph submitted by Richard L. Humphrey. 
