206 
On the Salt- Jl r ater Lakes, <$fC. 
[July 
Land Levels* 
Feet . 
Tide Levels. 
Highest level, Strand near Old Mint, / 
20 feet, 6 inches, 5 
Roads near Govt. House, 16 ft. 6 in* 
Stone at Chandpal Ghat, 14 ft. 6 in. 
Lowest part of Calcutta Muchwa Ba- 
zar, 8 ft. 6 in. 
The Rice plains north of the Lake, 'J 
have a surface, sloping gradually \ 
towards the Lake from about 7 ft. f 
to 1 ft. 3 
13 ft. 2 in. highest rise of Hoog- 
ly, in August and Sept. 
'8 ft. 3 in. Spring floods, in March, 
v April, May. 
7 ft. 1 in. Neap floods, Hoogly, in Aug. 
Lowest neaps in September. 
The floors of the town drains along} 
the Circular Road stand between >- 
5 ft. 1 in, and 2 ft. 1 in. 3 
Zero of Levels . 
Average bed of the Salt Lake, 1 ft. 6 in. 
Lowest bed of Lake, 3 ft. 3 in. 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
2 C 2 ft. highest Lake tide at Baliagbat 
3 in Aug. and Sept.; also highest 
£ ebb of Hoogly in August. 
Lowest neap flood of Hoogly in March, 
or average River Level. 
C Oft. 3 in. ordinary high water in Lake 
I and Canal, from Dec. to Aprii. 
$2 ft. 9 in. lowest neap ebb tide ob- 
) served in Canal and Lake. 
5 ft. 4 in. Neap tide ebbs in Hoogly in 
March. 
5 7 ft. 5 in. lowest spring ebbs in Hoog- 
t ly, in March and April. 
Estimate of the expense likely to he incurred in raising the bed o f the Lake to a level 
Jit J'ur purposes of cultivation ; as also of the probable returns . 
I 1 " 0 . A closed drain must be excavated from the Sam baz£r bridge to 
Mohisghat, 3 miles, to convey the pi'esent supply of the Dam dam a jhil 
water into the Eastern division of the Lake section, average 90 square 
feet, costing about 1200 Rupees per running mile,, 3,600 
