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OSBM Bolt: Stone Bridge Sluice 
OSBM Bolt 2' N of S end of concrete sluice, NW side of road.
Location
Grid reference: TF 4627 9227.
Landranger 113: Grimsby, Louth & Market Rasen.
Structure: Other.
Waypoint: OS0097.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Patrington,
33.61km 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 2' N of S end of concrete sluice, NW side of road.
Logged Visits
Logged on 28th September 2006 by Brisey. Condition: Couldn't find it.
I couldn't match the description (sluice) to what I found (bridge) so it may be gone.
Location
Grid reference: TF 4627 9227.
Landranger 113: Grimsby, Louth & Market Rasen.
Structure: Other.
Waypoint: OS0097.
Neighbouring Flush Brackets
| S0605 | Saltfleetby, Prussian Queen PH 1.74km to the southwest. |
| S0604 | Saltfleet 1.85km to the northwest. |
| S0606 | Theddlethorpe St Helen 3.02km to the southeast. |
| G4695 | Skidbrook North End 3.76km to the northwest. |
| G4694 | The Hollies 5.70km to the south. |
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 2' N of S end of concrete sluice, NW side of road.
Logged Visits
Logged on 28th September 2006 by Brisey. Condition: Couldn't find it.
I couldn't match the description (sluice) to what I found (bridge) so it may be gone.
If you have any corrections or additions to this record, please let us know.