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1GL Bolt: Bodkin 
Bolt in S.E. angle of building, Bodkin [2GL]; BOLT BODKIN FM SE FACE E ANG (298.7802m ODN, 0.6M AGL).
Location
Grid reference: SE 0114 3483.
Landranger 104: Leeds & Bradford, Harrogate & Ilkley.
Structure: Farm building.
Waypoint: BT0756.
Neighbouring Bench Marks
The nearest fundamental bench mark is Greetland,
14.75km to the southeast.
Second Geodetic Levelling, England & Wales (1912-21)
This bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 980.3240 feet [298.8028 metres] above mean sea level (Newlyn datum). It was included as a side level on the Greetland to Skipton levelling line. The surveyor's description was Bolt in S.E. angle of building, Bodkin.
Location
Grid reference: SE 0114 3483.
Landranger 104: Leeds & Bradford, Harrogate & Ilkley.
Structure: Farm building.
Waypoint: BT0756.
Neighbouring Bench Marks
| BOLT | Rough Field Head 2.30km to the southwest. |
| BOLT | Cross Roads PH 4.47km to the northeast. |
| BOLT | Pecket Well, Robin Hood Inn 5.54km to the south. |
| BOLT | Ingrow, St John's Church 6.74km to the northeast. |
| BM | Gorple Lower 7.39km to the southwest. |
Second Geodetic Levelling, England & Wales (1912-21)
This bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 980.3240 feet [298.8028 metres] above mean sea level (Newlyn datum). It was included as a side level on the Greetland to Skipton levelling line. The surveyor's description was Bolt in S.E. angle of building, Bodkin.
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