LXXVIII. H. G. McKINNEY. 
difference with the railway levels was 2°34 feet, the distance being 
two hundred and ninety-one miles by railway, and four hundred 
and thirty miles by the water conservation surveys, or a total of 
seven hundred and twenty-one miles. 
(5) Commencing at Hay and following lines through Oxley, 
Booligal, and Hillston, thence along the north side of the Willandra 
Billabong and through the county of Manara to the Teryaweynya 
and Tallywalka Creeks and on to Wilceannia and thence up the 
River Darling to Bourke, the difference with the railway levels 
at Bourke was 5:07 feet. The distance in this case was nine 
hundred and fifty-seven miles by railway and six hundred and 
“forty miles by the water conservation levels, or a total of 1,597 
miles, 
(6) Commencing at Wilcannia and following lines down the 
River Darling to Wentworth, thence through Gol Gol, Euston, 
‘Balranald, Oxley, Booligal, Hillston, down the Willandra Billa- 
bong, through the county of Manara to the Teryaweynya and 
Tallywalka Creeks and thence back to Wilcannia, the water con- 
servation levels showed a closing difference of 2:42 feet for a 
length of 1,020 miles. 
(7) The water conservation levels commencing at Bourke and. 
closing at Wentworth differ from those of the Harbours and 
Rivers Department by 2°10 feet, the circuit consisting of eight 
hundred and ninety miles by railway, eight hundred and fifty 
miles by the Harbours and Rivers Department, and five hundred 
miles by the water conservation lines, or a total of 2,240 miles. 
_ (8) Commencing at Bourke and carrying levels up the River 
Darling to Walgett, the difference at the close was 1°68 feet, the 
distance being three hundred and seventy miles by railway, and 
_ two hundred and twenty miles by the water conservation levels, 
or a total of five hundred and ninety miles. 
(9) Commencing at Bourke and following lines up the Rivers 
Darling and Namoi to Narrabri, the closing difference was 1:33 | 
feet, the circuit representing eight hundred and Silty snes miles Pee 
