490000 500000 510000 520000 530000

Stow Longa Great Hemingford Harrowden JURASSIC

0 Brampton 0 Covington Abbots 0 Hargrave 0 0 LIMESTONE, GODMANCHESTER 0 0 Chelveston 0 7 7 2 2 SANDSTONE, Caldecott Lower Dean A14 SILTSTONE AND Shelton Tilbrook Grafham (T) MUDSTONE Geology in Bedfordshire Upper Dean Kimbolton A Buckden 5 1 Yelden Stonely Offord Cluny 9 Perry 3 RUSHDEN Offord D'Arcy Hilton Wilby Newton Bromswold Melchbourne Swineshead Diddington Irchester Great Little Pertenhall Great Staughton ) Doddington Wymington (T Staughton Highway Papworth 5 Southoe 4 Wymington St Agnes A Graveley Farndish Papworth Great Paxton JURASSIC Knotting Everard Keysoe MUDPoSdiTngOtoNn E, Riseley Little Wollaston Little Paxton Knotting Staughton Toseland Yelling SILTSTONE, A6 Green Hail Weston Strixton LIMEHSinTwiOckNE AND Souldrop Lower End SANDSTONE Keysoe Row Caxton

0 Staploe Duloe 0

0 Gibbet 0

0 Grendon ST NEOTS 0 0 ) Croxton 0 6 A 428(T Eltisley 6 2 Sharnbrook 2 Eaton Socon

A Eynesbury Easton Maudit Bozeat Bolnhurst

1

Thurleigh Colmworth ( Bletsoe T JURASSIC ) SANDSTONE, Odell Felmersham JURASSIC MUDSTONE, LIMESTONE Wyboston Abbotsley Duck's Cross AND Milton Ernest SILTSTONE AND Chawston Great 9 Colesden Gransden 0 Pavenham SANDSTONE 5 ARGILLACEOUS Little A Wilden Gransden ROCKS Ravensden Roxton Waresley

Warrington West End Tempsford Lavendon Stevington A421(T) Oakley Salph Church End Cold Clapham Renhold End Brayfield Turvey A428 Great Barford Gamlingay A 6 Newton (T Blossomville ) Hatley St Olney Clifton Bromham Blunham Everton Reynes George East

0 Biddenham Hatley 0 0 0 0 0

0 BEDFORD 0

5 Cockayne 5

2 Willington 2 Emberton Hatley Moggerhanger SANDY Potton Stagsden Box End Cople Beeston Hatch Cardington Hardmead Thorncote Green Wrestlingworth Tadlow KEMPSTON Harrowden Sutton Shortstown Wood End Sherington Elstow Northill Chicheley Keeley Green Upper Eyeworth Ickwell Caldecote Lathbury Cotton End Wootton North Crawley Bourne End Kempston Herring's BIGGLESWADE Hardwick Green Dunton Guilden Wilstead Old Warden Morden Upper Shelton

Broom Wharley End Lower Steeple Shelton Stewartby Morden Cranfield Haynes Southill Moulsoe Marston Houghton Conquest Willen Moretaine Haynes How Stanford Church Langford Edworth End End 0 Hinxworth 0 0 0 0 0 0 0

4 Woolstone Broughton 4 2 CRETACEOUS Ashwell 2 Salford Milton Keynes Lidlington Shefford Village SANDSTONE Clifton Chicksands Astwick 421 AND MUDSTONE Caldecote A Brogborough AMPTHILL Campton Henlow Woughton on the Clophill Church End Newnham Green Wavendon Stotfold Walton Bygrave Aspley Upper Meppershall Arlesey Husborne Guise Flitton Silsoe Gravenhurst Radwell Aspley Crawley Lower Stondon Heath Steppingley 5 Flitwick Fairfield 0 Simpson Greenfield 5 Bow Brickhill Park Norton A Fenny Shillington Stratford Pulloxhill Wallington

Eversholt Apsley End BALDOCK Westoning Holwell Little Higham Gobion Brickhill Tingrith LETCHWORTH Clothall GARDEN CITY Pirton Ickleford Barton-le-Clay Milton Bryan Willian 0 Harlington Sharpenhoe Weston 0 0 Great 0

0 Potsgrove 0

0 Brickhill Pegsdon 0 3 3 2 Stoke Hammond CRETACEOUS 2 HITCHIN Great Bragenham Heath MUDSTONE, Streatley Hall's Green A and Wymondley 4 1 Reach SANDSTONE Upper Sundon Charlton Graveley 46 Fancott Little AND LIMESTONE Great Ashby Soulbury Lower Sundon Great Offley Gosmore Wymondley Hockliffe Tebworth

Wingfield Chalton St Nicholas CRETACEOUS Walkern LEIGHTON Eggington Sundon Park CHALK BUZZARD Ley Green Preston Tilsworth Burcott Stanbridge STEVENAGE HOUGHTON Aston End Leagrave REGIS Stopsley Cockernhoe JURASSIC King's Walden Aston LIMESTONE AND Billington St Paul's Langley Breachwood Walden CALCAREOUS DUNSTABLE Green Bendish SANDSTONE Totternhoe LUTON Whitwell Bragbury End Slapton Eaton Bray Church End 0 Old Knebworth 0 0 0 0 0

0 A A602 0

2 Mentmore 2 5 Caddington 1 2 (T 8 Knebworth 2 Edlesborough ) Horton 10 A Peter's Green Church End Slip End Kimpton Codicote Ivinghoe Kensworth New Mill End PALAEOGENE Aston Cheddington East Hyde CLAY, SILT, SAND Ayot St Blackmore End AND GRAVEL Holywell Markyate Lawrence Welwyn Dagnall Ivinghoe Kinsbourne Studham Tewin Wood Long Marston Pitstone Green Digswell Bramfield Ayot St Peter Lea Valley Puttenham Flamstead Tewin Marsworth Ringshall Trowley HARPENDEN Little Gaddesden Jockey Wilstone Bottom Wheathampstead End 0 0.5 1 2 3 4 5 A41 Buckland New Mill Hudnall Hatching Miles Redbourn Green Aldbury Cromer Hyde µ 490000 500000 510000 520000 530000