292 
Drainage of Land. 
^ rfl !^ C 
a ta O 
o . ^ - 
_ CO (M O 
r-^ CO 00 00 
O CO O CO 
& 
o 
g 
§ 
O B 5^ — 
. ^ " r s 
S<S is c-H 
S s '"■< 
i Pi; n 
in m »o 
W ^ Ci 
coo 
o o o CO I- 
(M :o 00 in 1^ 
m CO io 
— ' O 00 
CO 00 CT> 
O CO o 
CI O <— * 00 CO 
(M lO 0? 
r- t~ CO 
CO o o 
t~ O I- C>) 
.-H CO — • 
to 0>1 CO 
00 1~ 
o ^ P ^ 
<? 1^ 
a 
