OSBM Ordnance Survey's
of Great Britain
[2GL Abstract]
[2GL Transcription]

of the
of the
Colonel Sir Charles Close, KBE, CB, CMG, FRS
Director-General of the Ordnance Survey
The following index lists the Primary lines of
the Second Geodetic Levelling of England &
Wales, carried out between 1912 and 1921
by the Ordnance Survey.
The linked pages are scans of the abstract,
which list the "intermediate points" surveyed
between the 86 Fundamental Bench Marks
(FBM's) and 5 Tide Gauges.

Plate 1 The First Geodetic Levelling of England & Wales (1840-1860)
Plate 2 The Second Geodetic Levelling of England & Wales (1921-1921)
Plate 3 The Second Geodetic Levelling of England & Wales (1921-1921) (New value of bench mark -- Old value of bench mark)
Dunbar Dunbar Tidal Observatory - Sketches

[Described in detail in the 'Companion Volume' with the Original Index]
Second Geodetic Levelling - Transcription Homepage
PairLines of LevellingPage in
ABG-BREAbergavenny to Brecon464631% ConfirmedAH
ALF-CRYAlfriston to Croydon26,2727,2812% ConfirmedIanR
ARU-ALFArundel to Alfriston25,262630% ConfirmedIanR
BAS-WALBasingstoke to Wallingford20,212140% ConfirmedJohnT
BOS-GRABoscastle to Grampound6630% Confirmed
BAB-ABGBrampton Abbots to Abergavenny4747Plotted
BAB-SUCBrampton Abbots to Suckley40-Plotted
BRE-LLABrecon to Llandovery48-45% Confirmed
BRI-BEEBridford to Beer66Plotted
BRI-YELBridford to Yelverton3320% Confirmed
BRO-WARBromsgrove to Warwick38377% Confirmed
BUC-SAPBuckland to Sapperton22-PlottedJohnT
BUL-NORBulmer to Northallerton96,979750% Confirmed
BUN-CLABuntingford to Clare69,707026% ConfirmedIanR
CRM-LLACarmarthen to Llandovery48,494946% ConfirmedAH
CRM-LLAbCarmarthen to Llandovery (Carmarthen, Llanelly, Neath,
Merthyr Tydfil & Abergavenny)
CRM-LLAcCarmarthen to Llandovery (Llanelly to Llandilo)55,56,57-1% Plotted
CRM-LLAdCarmarthen to Llandovery (Neath, Cardiff, Merthyr Tydfil)57,58,59,60,
CAS-WOWCastor to Waltham-on-the-Wolds646494% ConfirmedRobW
CAS-WKNCastor to Wicken71,727278% ConfirmedIanR
CHS-BREChurch Stretton to Brecon44,4545,4672% ConfirmedRoyB
CLA-IPSClare to Ipswich737310% ConfirmedIanR
CRA-CASCranford to Castor6363ConfirmedRobW
CRY-WCACroydon to Windsor Castle2828,2930% ConfirmedIanR
DAR-WREDaresbury to Wrexham868690% ConfirmedRoyB
DVE-GRLDaventry to Great Linford31,323248% ConfirmedRWW
DRC-BEEDorchester to Beer776% Confirmed
DRC-WIMDorchester to Wimborne1010Plotted
DUL-BRIDulverton to Bridford4,5423% Confirmed
DUL-TORDulverton to Torrington4540% ConfirmedRobW
DBT:CCTDunbar Circuit110-ConfirmedGraeme
DBT-DBWDunbar Tidal Observatory to Dunbar West110-50% Confirmed
50% Plotted
DBW-DBEDunbar West to Dunbar East110-ConfirmedGraeme
Dunbar West to Wester Broomhouse110110Graeme
DUC-KELDuns Common to Kelso10510568% ConfirmedGraeme
DUC-WBRDuns Common to Wester Broomhouse109109PlottedGraeme
FAR-ARUFareham to Arundel24,252555% ConfirmedIanR
FAR-SOUFareham to Southampton18-Plotted
FAR-WINFareham to Winchester191917% Confirmed
FLT:CCTFelixstowe Circuit74-ConfirmedIanR
FLB-SHAFlax Bourton to Sharpness2424Plotted
FOR-WOLForcett to Wolsingham98,999966% ConfirmedIainM
GRA-LISGrampound to Liskeard2210% Confirmed
GRA-TROGrampound to Troon22Plotted
GRL-CRAGreat Linford to Cranford61,6262ConfirmedRobW
GRL-HEHGreat Linford to Hemel Hempstead373737% ConfirmedJohnT
GRL-WALGreat Linford to Wallingford30,313116% ConfirmedJohnT
GRE-BRMGreetland to Broomhead Moor94,959584% Confirmed
GRE-SKIGreetland to Skipton93,949487% Confirmed
HAW-KELHawick to Kelso10610640% ConfirmedGraeme
HEH-BUNHemel Hempstead to Buntingford68,69693% ConfirmedIanR
HEH-WCAHemel Hempstead to Windsor Castle35,36-PlottedJohnT / IanR
HEX-LHOHexham to Longhorsley102,10310344% ConfirmedRobW
HIB-MATHibaldstow to Matlock79,808043% ConfirmedRodS
HIB-SCVHibaldstow to South Cave898925% Confirmed
IPS-FLTIpswich to Felixstowe (FB 2093)747414% ConfirmedIanR
KIS-PNRKirkby Stephen to Penrith108,109-78% ConfirmedDavidT
LVF-DARLiverpool to Daresbury848566% ConfirmedRoyB
LVF-LVTLiverpool to Liverpool Tidal Station (FB2607)858550% ConfirmedRoyB
LHO-BELLonghorsley to Belford103103,104ConfirmedGRM/IRM
MCC-DARMacclesfield to Daresbury8383,8491% ConfirmedRoyB
Madron to Newlyn (Tolcarne)1-
MAT-BRMMatlock to Broomhead Moor95,9696ConfirmedRodS
MAT-MCCMatlock to Macclesfield81,828278% ConfirmedRodS
MAT-MELMatlock to Melbourne80,81-ConfirmedRodS
MEL-NUNMelbourne to Nuneaton66,676772% ConfirmedRodS
MEL-STAMelbourne to Stafford757590% ConfirmedRodS
MEL-WOWMelbourne to Waltham-on-the-Wolds65-74% ConfirmedRodS
MOR-BELMordington to Belford10410423% ConfirmedGraeme
MOR-DUCMordington to Duns Common10510490% ConfirmedIanP
NAV-HIBNavenby to Hibaldstow787883% ConfirmedRodS,RobW
NCL-HAWNewcastleton to Hawick106,10710758% ConfirmedGraeme,IainM
Newlyn (Tolcarne) to Paul1-
NLT:CCTNewlyn Circuit1-PlottedIanR
NLT-TOLNewlyn Tidal Observatory BM to Newlyn (Tolcarne)1-Plotted
NPE-DULNorth Petherton to Dulverton999% Confirmed
NPE-FLBNorth Petherton to Flax Bourton16-Plotted
NPE-FLBaNorth Petherton to Flax Bourton (Axmouth to Perry Farm Branch)1617Plotted
NPE-FLBcNorth Petherton to Flax Bourton (Stolford Branch)18-Plotted
NOR-FORNorthallerton to Forcett97,989890% Confirmed
OSW-CHSOswestry to Church Stretton888859% ConfirmedBarry,RobW
Paul to Sancreed1-
PNR-WRLPenrith to Wetheral108-76% ConfirmedDavidT
RIB-KISRibblesdale to Kirkby Stephen10010036% Confirmed
Sancreed to Madron1-
SAP-CAMSapperton to Campden34,35358% Confirmed
SAP-SHASapperton to Sharpness232316% Confirmed
SHA-BABSharpness to Brampton Abbots41,4242Plotted
SKI-RIBSkipton to Ribblesdale101101ConfirmedRobW
SKI-WBYSkipton to Wetherby929384% ConfirmedDW
SCV-BULSouth Cave to Bulmer909077% Confirmed
SOU-SOESouthampton to Southampton (Tide Gauge - Empress Dock)1111Plotted
SOU-SOTSouthampton to Southampton (Tide Gauge - Town Quay)11-Plotted
SOU-WIMSouthampton to Wimborne10,11-Plotted
SOU-WIMaSouthampton to Wimborne (Branch Line)11-Plotted
SOU-WINSouthampton to Winchester121216% Confirmed
SOU-WINbSouthampton to Winchester (Romsey Circuit Branch)1213Plotted
SOU-WINdSouthampton to Winchester (Eastleigh to Winchester Branch)13-Plotted
SOU-WINeSouthampton to Winchester (Bar End to Winnall Branch)13-Plotted
STA-CHSStafford to Church Stretton7676,7779% ConfirmedRobW
SUC-BROSuckley to Bromsgrove3939Plotted
SUC-CHSSuckley to Church Stretton42,43,444412% Confirmed
THF-DRCThornford to Dorchester8-Plotted
THF-NPEThornford to North Petherton8,9-Plotted
TOR-BOSTorrington to Boscastle558% Confirmed
TRO-TOLTroon to Newlyn (Tolcarne)1120% Confirmed
UPL-FLBUpton Lovell to Flax Bourton15-3% ConfirmedIanP
WAL-BUCWallingford to Buckland21-64% ConfirmedJohnT
WOW-NAVWaltham-on-the-Wolds to Navenby777872% ConfirmedRobW
WAR-CAMWarwick to Campden33,3434Plotted
WAR-DVEWarwick to Daventry33-46% ConfirmedRobW
WAR-NUNWarwick to Nuneaton67,6868Plotted
WRL-NCLWetheral to Newcastleton107-33% Confirmed
WBY-BULWetherby to Bulmer9191,9272% ConfirmedIainM
WKN-CLAWicken to Clare71-48% ConfirmedIanR
WIN-BASWinchester to Basingstoke20-Plotted
WIN-UPLWinchester to Upton Lovell141441% Confirmed
WIN-UPLbWinchester to Upton Lovell (Mottisfont to Romsey Branch)14-83% Confirmed
WCA-WALWindsor Castle to Wallingford2929,3044% ConfirmedJohnT
WOL-HEXWolsingham to Hexham10210258% ConfirmedIainM
WOL-KISWolsingham to Kirkby Stephen99,10010086% Confirmed
WRE-OSWWrexham to Oswestry878761% ConfirmedBarry
YEL-LISYelverton to Liskeard3314% Confirmed

118 Lines, of which 118 have been uploaded, 118 have been fully Transcribed, 114 have been fully Plotted, 9 have been fully Confirmed.

additionally 84 Side Levels, of which 85 have been uploaded, 85 have been fully Transcribed, 26 have been fully Plotted, 2 have been fully Confirmed.

* These Stats count ANY 2GL mark (other than FBM) within the data!

My ISP is a haveing a bit of trouble at the moment if you cant see the abstract index above then click here