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SJ18
Based in the North Wales region of Scotland & North West English Region.
The SJ18 10 square kilometre grid intersects with the settlements of Ffynnongroyw,Gronant,Gwespyr,Llanasa,Mostyn,Pen-y-ffordd,Picton,Talacre & Trelogan.
SJ18
SJ18 is within the post towns of Holywell, Flintshire, Prestatyn, Flintshire & Wirral, Cheshire.
The square is within Sir y Fflint - Flintshire & Wirral District councils.
The SJ18 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 SJ18, 469 are land and -369 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 | 53.309281 | -3.355052 | 310000 | 380000 |
| South East Corner | 53.309281 | -3.202160 | 320000 | 380000 |
| North West Corner | 53.400755 | -3.355052 | 310000 | 390000 |
| North East Corner | 53.400755 | -3.202160 | 320000 | 390000 |