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Berkshire, South Street, Blewbury, Vale of White Horse, Oxfordshire, South East, England, OX11 9PX, United Kingdom (51.45349 -1.03187)
All of the county is drained by the Thames. Berkshire divides into two topological (and associated geological) sections: east and west of Reading. North-east Berkshire has the low calciferous (limestone) m-shaped bends of the Thames south of which is a broader, clayey, gravelly former watery plain or belt from Earley to Windsor and beyond, south, are parcels and belts of uneroded higher sands, flints, shingles and lightly acid soil and in north of the Bagshot Formation, north of Surrey and Hampshire. Swinley Forest also known as Bracknell Forest, Windsor Great Park, Crowthorne and Stratfield Saye Woods have many pine, silver birch and other lightly acid-soil trees. East of the grassy and wooded bends a large minority of East Berkshire's land mirrors the clay belt being of low elevation and on the left ('north') bank of the Thames: Slough, Eton, Eton Wick, Wraysbury, Horton and Datchet. In the heart of the county Reading's northern suburb Caversham is also on that bank but rises steeply into the Chiltern Hills.