1GL Bolt: Cutthroat Bridge   

Bolt in South face of North-east battlement of Cut-throat Bridge ; 1.96 ft. below top of battlement [1GL, Thorne to Staleybridge, Mark No. 233]; Bolt in N.E. battlement of Cutthroat Bridge [2GL] - approximate location only.

Location
Grid reference: SK 2137 8740.
Landranger 110: Sheffield & Huddersfield, Glossop & Holmfirth.
Structure: Bridge.
Waypoint: BT0782.

Neighbouring Bench Marks

BM	Strines Inn 3.33km to the north.
BM	Strines Inn 3.33km to the north.
BOLT	Surrey Farm 4.51km to the east.
BM	Agden Bridge 7.21km to the northeast.
BOLT	Alport Bridge 7.55km to the west.

The nearest fundamental bench mark is Broomhead Moor, 7.91km to the northeast.

First Primary Levelling, England & Wales (1840-60)
This bench mark was used during the First primary levelling, England & Wales, and was levelled with a height of 913.8530 feet [278.5424 metres] above mean sea level (Liverpool datum). It was included on the Thorne to Staleybridge levelling line. The surveyor's description was Bolt in South face of North-east battlement of Cut-throat Bridge ; 1.96 ft. below top of battlement.

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 913.3680 feet [278.3946 metres] above mean sea level (Newlyn datum). It was included as a side level on the Matlock to Broomhead Moor levelling line. The surveyor's description was Bolt in N.E. battlement of Cutthroat Bridge.