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Flush Bracket G5170: Turnford 
Culvert, NW side of Great Cambridge Road, SW side of junction with Halfhide Lane, NW face [destroyed].
Location
Grid reference: TL 3603 0417.
Landranger 166: Luton & Hertford, Hitchin & St Albans.
Structure: Unknown.
Waypoint: FG5170.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Buntingford,
23.60km to the north.
Third Geodetic Levelling, England & Wales (1950-68)
This flush bracket was used during the Third geodetic levelling, England & Wales. It was included on the Croydon to Buntingford levelling line. The surveyor's description was Culvert, NW side of Great Cambridge Road, SW side of junction with Halfhide Lane, NW face [destroyed].
Location
Grid reference: TL 3603 0417.
Landranger 166: Luton & Hertford, Hitchin & St Albans.
Structure: Unknown.
Waypoint: FG5170.
Neighbouring Flush Brackets
| S8434 | Cheshunt 1.59km to the south. |
| G5171 | Wormley 1.67km to the north. |
| G5169 | Cheshunt 1.78km to the southwest. |
| G5168 | Cheshunt, Theobalds Lane 3.08km to the south. |
| S8435 | Broxbourne 3.09km to the north. |
Third Geodetic Levelling, England & Wales (1950-68)
This flush bracket was used during the Third geodetic levelling, England & Wales. It was included on the Croydon to Buntingford levelling line. The surveyor's description was Culvert, NW side of Great Cambridge Road, SW side of junction with Halfhide Lane, NW face [destroyed].
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