139 
PLATE 
A. Russian River west of Windsor. Cracks in flood-plain. 
C. Fissures in alluvium ; Tevis ranch, near Alma. 
R 
8. H. 
LH. 8. 
B. Russian River. Cra 
D. Upheaval of bottom of 
artificial lake ; 
Tevis ranch 
ck in flood-plain parallel to river. R. 8. H 
near Alma, 
I 
H 

8. 

