STONE SUPERSTRUCTURE 
3 tons or over ~ 200" 8 tons or over rong 
COR = 1+13.66) 
TIGL x : 
FLOR, S sea SIDE 12.50 
MLW. Err bn MEAN LOW WATER or 
i Sesenza oP lay EE erad 
Th ER RD 
rls REX SLIT TAAL ITY = Facing Stonzs 
RS RE I IETF ~ = 
all. repr Ty FT. 2 tons or over 
SRI 3a ~~ LCP LD Te : 
ATL TYE RanDom STONE EHR oi 312. « +300 
v. ‘ - > ~ YS 4% Li ter 
JO TAT 100 LBS UF, 00.8, 0 5 2 « ! 
(ASM LI Yd CCAS ACCES Tr PTA Te _ 10.000 = 
(Ae NA ory 3 Xp rrr YL le 
IAS PASS, ES Ey 
. AT RI Pl A, PPAF TREET.  R 300 
48’ ASIC PF LB Ar Cor gS el 5 T= TREN 
CLAY, STIFF MUD, GRAVEL , EINE SAND ST Cr 2 I 
IT, SEL, GEL EMESANE, jg ge m= =m == ei 7 RETR 
"i= 8.00) 
CROSS SECTION OF MOUND BREAKWATER rd 
(San PEDRO, CAL. U.5.A.) CROSS SECTION OF 
WALL BREAKWATER 
(Di1epPE HARBOUR)