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OSBM Bolt: Tetney Drain Bridge 
OSBM Bolt on N parapet, W end of bridge [3GL] - Bolt reported destroyed.
Location
Grid reference: TA 3240 0150.
Landranger 113: Grimsby, Louth & Market Rasen.
Structure: Bridge.
Waypoint: OS0099.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Immingham,
20.18km to the northwest.
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Boston to Immingham levelling line. The surveyor's description was OSBM Bolt on N parapet, W end of bridge.
Logged Visits
Logged on 28th September 2006 by Brisey. Condition: Destroyed.
On the concrete parapet of the replacement(?) bridge, a stencilled plate reads M62. I have no idea what this means.
Location
Grid reference: TA 3240 0150.
Landranger 113: Grimsby, Louth & Market Rasen.
Structure: Bridge.
Waypoint: OS0099.
Neighbouring Flush Brackets
| S0589 | Tetney, Plough Inn 1.02km to the southwest. |
| G4717 | Tetney, School 1.20km to the southwest. |
| G4700 | Humberston Road 1.64km to the northwest. |
| S8477 | North Cotes, Church 2.78km to the east. |
| S0588 | Humberston, School 3.74km to the northwest. |
Third Geodetic Levelling, England & Wales (1950-68)
This bench mark was used during the Third geodetic levelling, England & Wales. It was included on the Boston to Immingham levelling line. The surveyor's description was OSBM Bolt on N parapet, W end of bridge.
Logged Visits
Logged on 28th September 2006 by Brisey. Condition: Destroyed.
On the concrete parapet of the replacement(?) bridge, a stencilled plate reads M62. I have no idea what this means.
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