Triangulation Stations
visited
28
40
- 12
Triangulation Stations
rebuilt
or repaired
21
2
+19
[ 28 ]
1947/48
1939
Excess (+) or Deficiency
(-) over 1939
Remarks.
71 were visited in 1946.
Necessary 1947/48 Reconstruction,
Triangulation Stations
triangulated
24
2
+22
do
Triangulation of
Fundamental Bench
Mark positions
6
0
+ 6
do
Principal Traverse in
miles
26
13
+ 13
do
New
Survey of the
Colony Scale 1:600
in acres
101
638
-537
New
Survey of the
Colony Scale 1:2400
in acres
883
443
+440
Revision of the Colony
Scale 1:600 in acres
23
318
- 295
Revision of the Colony
1939
If all survey and contour survey is taken together then the 1947/48 output exceeds the
output by
Scale 1:2400 in acres
31
328
- 297
30 acres.
Contour Surveys scale
1:600 in acres
129
264
- 135
Contour Surveys scale
1:2400 in acres
854
0
+ 854
Bench Marks inspected
220
350
- 130
These 130 do not exist 1946/48
Levelled
heights to
Bench Marks
and
Trigs.
11
2
+ 9
New Bench Marks
fixed
6
0
+6
Height in feet of Mean
Sea Level above
Record
Datum for the year
3.90
lost
Lots & Acres set out on
sale or permit for building etc.
137
414
-277
All areas request- ed have been set out.
There are no
arrears in 1948.
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