Facing page 23.] 
MAP VII 
Numsen or Acres of POTAT OLS PER 100 ACRES OF ARABLE LAND IN [925 
At 
f plo - 
3 fob 
6 [ol10 
11 fo l5 
16 /620 
21and ove 
“REY — 
\ 
Zz 
7 
amborou) 
BR 
a8. Humber 
3 
Cromer 
NORFOLK 
SUFFOLK 
| 
a 
4 
Thames 
“TEP 
Hr 
+ HH 
rH 
FH" Lo 
Sy 1d 
, Lands 
| set 
; 
fe, 
L