Map No. 130, Grantham, in the waterproof & tear-resistant OS Active version of the Ordnance Survey Landranger series at 1:50, 000, including Sleaford, Bourne, Market Deeping, Ryhall, Exton, Market Overton, Langham, Stretton, Little Bytham, Baston, Thurlby, Grimsthorpe, Northgate, Rippingale, Corby Glen, South Witham, Stapleford, Wymondham, Waltham on the Wolds, Colsterworth, Croxton Kerrial, Denton, Great Ponton, Ingoldsby, Folkingham, Billingborough, Culverthorpe, Helpringham, Heckington, South Kyme, Belvoir, Barrowby, Bottesford, Belton, Ancaster, Marston, Caythorpe, Long Bennington & Claypole, with the E2 European Long Distance Path crossing the entire area. Edition C3; Publication date April 2012 About Ordnance Survey