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TL31
Based in the Eastern English Region.
The TL31 10 square kilometre grid intersects with the settlements of Babbs Green,Barwick,Chapmore End,Cold Christmas,Great Amwell,Hailey,Hertford,Hertford Heath,Hertingfordbury,High Cross,Hoddesdon,Sacombe,Sacombe Green,St Margarets,Standon Green End,Stanstead Abbotts,Stapleford,Thundridge,Tonwell,Wadesmill,Ware,Wareside,Waterford & Watton at Stone.
TL31
TL31 is within the post towns of Harlow, Essex, Hertford, Hertfordshire, Hoddesdon, Hertfordshire & Ware, Hertfordshire.
The square is within Broxbourne District, East Hertfordshire District & Epping Forest District councils.
The TL31 national grid square measures 10 km by 10 km and has an area of 1,000 kilometres squared.
The technical term for a 10 km map square is a Hectad.
When this 10 km square is divided into a grid 10 by 10 it gives the next size of grid square. This unit is called a Monad and measures 1km square. 100 monads fit in a 10km square.
Out of the monads generated from square TL31, 523 are land and -423 are sea. Sea squares are disregarded on this site as they contain no land features.
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| Corner | Latitude | Longitude | Easting | Northing |
|---|---|---|---|---|
| South West Corner | 51.771180 | -0.117194 | 530000 | 210000 |
| South East Corner | 51.771180 | 0.031687 | 540000 | 210000 |
| North West Corner | 51.863451 | -0.117194 | 530000 | 220000 |
| North East Corner | 51.863451 | 0.031687 | 540000 | 220000 |