254 FORESTS, WOODS, AND TREES 
rough hill pasture under sheep grazing, with a few acres 
only of peat and plantations. (2) The Rowbank and 
Barcraigs reservoirs in Renfrewshire have a gathering 
ground of 2263 acres, under 750 feet elevation, and mostly 
rough hill pasture with a few acres only of wood and 
arable land. (3) The Stanely, Glenburn, and Harelaw 
reservoirs, a short distance south of Paisley, have a gathering 
ground of 1226 acres, under 750 feet altitude, and nearly 
all rough pasture, with very little peat and only a few acres 
of wood. The Council have water rights over the three catch- 
ment areas ; and in connection with the disposal of sewage, 
have acquired ownership of some of the farms, viz. : 558 acres 
on the Rowbank and Barcraigs area, and 350 acres on the 
Stanely area. On the land owned within the areas by the 
Corporation there are no occupied houses. On the land 
controlled by the Corporation, 200 acres on the Rowbank 
area, restrictions are imposed as to manuring; and no 
cropping or ploughing is allowed. On the farms not owned 
by the Corporation, arrangements when possible are made 
with the farmers or proprietors to lay the drains in such a 
position that they will lead the sewage clear of any of the 
water courses feeding the reservoirs. In cases where this 
method cannot be carried out owing to unsuitable levels, 
watertight tanks or reservoirs are constructed to which the 
sewage is conveyed ; and a pump and handcart are given to 
the farmer by the Corporation, and he arranges to empty 
the tank or cesspool as required. The water supply is filtered. 
IJ. Ayr, Wictown, KIRKCUDBRIGHT, AND DUMFRIES 
COUNTIES 
Gathering grounds, 24,817 acres, supplying thirteen 
local authorities (Camphill area supplying Paisley included ; 
Kilbirnie area not included, as its acreage is unknown). 
3094 acres owned by three local authorities. 
Ardrossan obtains its water supply from four impounding 
reservoirs, Busbie Muir, Mill Glen, Whitelees, and Park- 
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