Cut Mark: Morton Colliery   

Old B.M. on S. face of house, N. side of road, at entrance to Morton Colliery [2GL] - estimated location (BM 394.2 on 1921 map).

Location
Grid reference: SK 4141 6017.
Landranger 120: Mansfield & Worksop, Sherwood Forest.
Structure: Private house.
Waypoint: BM2635.

Neighbouring Bench Marks

BM	Morton, Holy Cross Church 681.84m to the west.
BOLT	Shirland, School 2.11km to the southwest.
BM	Shirland, Methodist Church 2.20km to the southwest.
BM	Shirland, School 2.20km to the southwest.
BOLT	Shirland, Church 2.25km to the southwest.

The nearest fundamental bench mark is Matlock, 10.67km to the west.

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 393.7180 feet [120.0052 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. face of house, N. side of road, at entrance to Morton Colliery.