196 FORESTS, WOODS, AND TREES 
for domestic purposes. Of the total 907 acres of gathering 
grounds, only about 5 acres are owned by the Council. 
__ RAIN GAUGES __ 
§ pu NSOP 
Net CABIN HILL BRIDGE 
W°2 BRENWAND 
N°3 MIDDLE KNOLL 
m°4 BAXTON FELL 
N°S WHITENDALE 
N°6 DUNSOP HOUSE 
Scale | Inch=I}z Mile 
MILE |e RD {MILE 
Fic. 37.—Blackburn. Brennand and Whitendale Catchment Area. 
(From Proc. Inst. Civil Engineers, vol. 194.) 
Otley Urban District Council obtains its water supply 
from March Ghyll, Middleton, with a catchment area of 
