1GL Bolt: Rivelin Mill Bridge   

Bolt in South face of N. battlement of Rivelin Mill Bridge ; 1.96 ft. below top of battlement [1GL, Thorne to Staleybridge, Mark No. 213]; BOLT PARA BR NW SIDE MANCHESTER RD C R (161.7086m ODN, 0.2m AGL).

Location
Grid reference: SK 2898 8714.
Landranger 110: Sheffield & Huddersfield, Glossop & Holmfirth.
Structure: Bridge.
Waypoint: BT1000.

Neighbouring Bench Marks

BOLT	Bell Hagg Inn 1.85km to the east.
BOLT	Surrey Farm 3.18km to the west.
BOLT	Crookes, Church 3.87km to the east.
BOLT	Wadsley, Church 4.75km to the northeast.
PIVOT	Sheffield, 152 Middlewood Road 5.11km to the northeast.

The nearest fundamental bench mark is Broomhead Moor, 8.73km to the northwest.

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 531.1380 feet [161.8909 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 N. battlement of Rivelin Mill Bridge ; 1.96 ft. below top of battlement.