1GL Bolt: Ravenstone, Church 

Bolt in South-east angle of Ravenstone Church tower ; 2.73 ft.above surface [1GL, Leicester to Burton-upon-Trent, Mark No. 30] - estimated location.
Location
Grid reference: SK 4019 1391.
Landranger 129: Nottingham & Loughborough, Melton Mowbray.
Structure: Church.
Waypoint: BT0742.
Neighbouring Bench Marks
The nearest fundamental bench mark is Melbourne,
10.95km to the north.
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 482.4860 feet [147.0617 metres] above mean sea level (Liverpool datum). It was included on the Leicester to Burton-upon-Trent levelling line. The surveyor's description was Bolt in South-east angle of Ravenstone Church tower ; 2.73 ft.above surface.
Location
Grid reference: SK 4019 1391.
Landranger 129: Nottingham & Loughborough, Melton Mowbray.
Structure: Church.
Waypoint: BT0742.
Neighbouring Bench Marks
| BM | Hugglescote, St. John the Baptist Church 2.79km to the southeast. |
| BOLT | Hugglescote, St. James's Church 2.85km to the southeast. |
| BM | Ibstock, Ravenstone Road 2.98km to the south. |
| BM | Ibstock, Public Hall 4.07km to the south. |
| BOLT | Ashby-de-la-Zouch, St. Helen's Church 5.01km 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 482.4860 feet [147.0617 metres] above mean sea level (Liverpool datum). It was included on the Leicester to Burton-upon-Trent levelling line. The surveyor's description was Bolt in South-east angle of Ravenstone Church tower ; 2.73 ft.above surface.
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