Cut Mark: Blyton, Church   

Old B.M. on S.E. corner of St. Martins Church, Blyton [2GL]; ST MARTINS CH SE FACE E ANG (19.4174m ODN, 0.4m AGL).

Location
Grid reference: SK 8533 9479.
Landranger 112: Scunthorpe & Gainsborough.
Structure: Church.
Waypoint: BM2624.

Neighbouring Bench Marks

BM	Blyton, Sandbeck Lane corner 356.93m to the west.
BM	Gunthorpe, main road 5.13km to the northwest.
BM	Owston Ferry, Snow Sewer Bridge 6.10km to the northwest.
BM	Gainsborough, Holy Trinity Church 6.49km to the southwest.
BM	Gainsbrough Bridge 6.90km to the southwest.

The nearest fundamental bench mark is Hibaldstow (1987), 10.76km to the northeast.

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 63.6550 feet [19.4020 metres] above mean sea level (Newlyn datum). It was included as a side level on the Hibaldstow to Matlock levelling line. The surveyor's description was Old B.M. on S.E. corner of St. Martins Church, Blyton.