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Sheet 41, Old Series 1". 1845. 1st edition. Caermarthenshire: Caermarthen, Laugharne, Llandovery. Hand-coloured. Geological Survey of England & Wales.
Sheet 41, Old Series 1". 1857. Caermarthenshire: Caermarthen, Laugharne, Llandovery. Topography1831, geology revised to 1857,. Geological Survey of England & Wales.
Sheet 41ne, Old Series 1". 1860s. Caermarthenshire: Llandovery. Geological Survey of England & Wales.
Sheet 42nw, Old Series 1". 181857. Brecknockshire, now part of Powys: Brecknock. geo.
Sheet 42sw, Old Series 1". 1873. First edition, late issue. Glamorganshire: Brecon Beacons, Dowlais. Hand-coloured engraving. Geological Survey of England & Wales.
Sheet 43, Old Series 1". c1855. Monmouth, Hereford, Malverns, Gloucester. Hand-coloured. Geological Survey of England & Wales.
Sheet 43nw, Old Series 1". 1880. First edition. Monmouthshire, Herefordshire: Hereford, River Wye. Base map 1831, pre-railway. Geological Survey of England & Wales.
Sheet 43nw, Old Series 1". 1882. Monmouthshire, Herefordshire: Hereford, River Wye. Base map 1831, railways inserted 1882. Geological Survey of England and Wales.
Sheet 43nw, Old Series 1". Herefordshire: Hereford. Geological Survey of England & Wales.
Sheet 43se, Old Series 1". 1884. Gloucestershire: Gloucester, Forest of Dean, River Severn. Base map 1831, railways inserted 187. Geological Survey of England & Wales.
Sheet 43sw, Old Series 1". 1893. Monmouthshire: Monmouth, River Wye. Base map 1831, railways inserted 1893. Geological Survey of England and Wales.
Sheet 43sw, Old Series 1". 1893. Monmouthshire: Monmouth, River Wye. Base map 1831, railways inserted 1893,. Geological Survey of England & Wales.
Sheet 44, Old Series 1", 1879. Gloucestershire, Oxfordshire: Cheltenham, Burford. Hand coloured engraving. Geological Survey of England & Wales.
Sheet 44, Old Series 1". 1856. 1st edition. Gloucestershire, Oxfordshire: Cirencester, Burford, Swindon. Geological Survey of England & Wales.
Sheet 44, Old Series 1". 1879. First edition. Gloucestershire, West Oxfordshire: Cheltenham,. Geological Survey of England and Wales.
Sheet 44nw and 44ne, Old Series 1". Gloucestershire, Worcestershire Oxfordshire. Geological Survey of England & Wales.
Sheet 45ne drift, Old Series 1". 1873. Buckinghamshire, Oxfordshire: Buckingham, Souldern. Base map 1833, railways inserted 1890. Geological Survey of England & Wales.
Sheet 45ne, Old Series 1". 1863. First edition. Buckinghamshire, Oxfordshire: Buckingham, Souldern. Base map 1833. Geological Survey of England & Wales.
Sheet 45ne, Old Series 1". 1873. Buckinghamshire, Oxfordshire: Buckingham, Souldern. Base map 1833. Geological Survey of England & Wales.
Sheet 45se, Old Series 1". 1863. First edition. Buckinghamshire, Oxfordshire: Bicester. Base map 1833. Geological Survey of England & Wales.
Sheet 46ne, Old Series 1". 1884 1st drift edition. Buckinghamshire, Hertfordshire: Ampthill, Hitchin, Baldock. Hand-coloured engraving. Geological Survey of England & Wales.
Sheet 46nw, Old Series 1". 1864. 1st edition. Buckinghamshire, Bedfordshire: Winslow, Woburn, Stony Stratford. Base map 1834. Geological Survey of England & Wales.
Sheet 47, Old Series 1". 1881. Hertfordshire, Cambridgeshire, Essex: Hertford, Sudbury. Topography date omitted, geology revised to 1881. Geological Survey of England & Wales.
Sheet 47, Old Series 1". 1884. Hertfordshire, Cambridgeshire, Essex: Hertford, Sudbury. Geological Survey of England & Wales.