ee Ce ee ee be a 38 
4 
e 
# 
i 
; 
£3 
* 
, 
q 
: 
7 
: 
Water Supply in the Interior of New South Wales. 
By W. E. Assort, Abbotsford, Wingen. 
[Read before the Royal Society of N.S.W., 3 December, 1884.] 
the “conservation of surface water.” In practice, of ‘course there 
is no such division, as both methods of obtaining a supply of fresh 
water will be found in operation to a greater or less extent on 
of the Darling River, which forms the main line of drainage of 
the Australian Continent. The tributaries of this river flow away 
from the great dividing range to the north-west and west through 
a great alluvial plain, sloping imperceptibly from the spurs of the 
range for a distance to the Darling River of from 200 to 300 
miles. The section map appended, taken from Mr. Russell’s 
form an estimate of how much of it is timbered at present, and 
what would be the chances of success in the attempt to plant 
forests. From my own observations, made in many parts of the 
Darling watershed, I do not think more than 20 per cent. of the 
- country is timberless, and on that part which is timbered there is 
climatic conditions. The proof of this is in the fact that where 
we may reasonably suppose the soluble salts to have been to a large 
