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ST21
Based in the South West English Region.
The ST21 10 square kilometre grid intersects with the settlements of Bishopswood,Blagdon Hill,Buckland St Mary,Churchinford,Combe St Nicholas,Corfe,Curland,Ham,Hatch Beauchamp,Hatch Green,Pitminster,Smeatharpe & Staple Fitzpaine.
ST21
ST21 is within the post towns of Chard, Somerset, Honiton, Devon, Ilminster, Somerset & Taunton, Somerset.
The square is within East Devon District, Somerset West and Taunton District & South Somerset District councils.
The ST21 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 ST21, 495 are land and -395 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 | 50.883922 | -3.140820 | 320000 | 110000 |
| South East Corner | 50.883922 | -2.996488 | 330000 | 110000 |
| North West Corner | 50.975134 | -3.140820 | 320000 | 120000 |
| North East Corner | 50.975134 | -2.996488 | 330000 | 120000 |