anchor.diff:  MAHA,Forced Centering,Deep Braced,,Schist,
   MAHI,Forced Centering,Deep Braced,,Limestone,
   MAHO,Forced Centering,Pillar,50229M001,Limestone,
  -MAKO,Forced Centering,Deep Braced,,Unknown,
  +MAKO,Forced Centering,Deep Braced,,,
   MANG,Forced Centering,Pillar,,Greywacke,
   MAST,Forced Centering,Pillar,50220M001,Sandstone,
   MATW,Forced Centering,Pillar,,Sandstone,
  -MAUI,Not Specified,Unknown,,Unknown,Unknown
  +MAUI,Not Specified,Unknown,,,
   MAVL,Forced Centering,Pillar,50235M001,Basalt,
   MCNL,Forced Centering,Deep Braced,,Sandstone,
  -METH,Forced Centering,Deep Braced,50251M001,Unknown,
  -MG01,Not Specified,Unknown,,Unknown,Unknown
  -MG03,Not Specified,Unknown,,Unknown,Unknown
  -MG05,Not Specified,Unknown,,Unknown,Unknown
  -MG09,Not Specified,Unknown,,Unknown,Unknown
  -MG10,Not Specified,Unknown,,Unknown,Unknown
  -MG11,Not Specified,Unknown,,Unknown,Unknown
  -MG15,Not Specified,Unknown,,Unknown,Unknown
  -MG18,Unmarked mark,Unknown,,Unknown,Unknown
  -MING,Forced Centering,Deep Braced,,Unknown,
  -MKNO,Forced Centering,Deep Braced,,Unknown,
  -MNHR,Forced Centering,Deep Braced,,Unknown,
  +METH,Forced Centering,Deep Braced,50251M001,,
  +MG01,Not Specified,Unknown,,,
  +MG03,Not Specified,Unknown,,,
  +MG05,Not Specified,Unknown,,,
  +MG09,Not Specified,Unknown,,,
  +MG10,Not Specified,Unknown,,,
  +MG11,Not Specified,Unknown,,,
  +MG15,Not Specified,Unknown,,,
  +MG18,Unmarked mark,Unknown,,,
  +MING,Forced Centering,Deep Braced,,,
  +MKNO,Forced Centering,Deep Braced,,,
  +MNHR,Forced Centering,Deep Braced,,,
   MQZG,Forced Centering,Pillar,50214M001,Rhyolite,
  -MRBL,Forced Centering,Deep Braced,,Unknown,Unknown
  +MRBL,Forced Centering,Deep Braced,,,
   MTBL,Forced Centering,Deep Braced,,Sandstone,"Mapped As Qt, Quaternary Marine Deposits On Coastal Benches.  Forms Flat Terrace Tops Which Are Incised By Waterways."
   MTJO,Forced Centering,Pillar,50204M001,Greywacke,
  -MTPR,Forced Centering,Short Braced,,Unknown,Unknown
  +MTPR,Forced Centering,Short Braced,,,
   MTQN,Forced Centering,Deep Braced,,Greywacke,Mt Quoin In South Tararuas
  -NETT,Forced Centering,Pillar,,Unknown,Bedrock Info For This Area Not Available On Geological Map
  -NIUC,Forced Centering,Pillar,,Unknown,Unknown
  +NETT,Forced Centering,Pillar,,,Bedrock Info For This Area Not Available On Geological Map
  +NIUC,Forced Centering,Pillar,,,
   NIUM,Forced Centering,Short Braced,50210M001,Limestone,
  -NLS1,Not Specified,Unknown,,Unknown,Unknown
  -NLS2,Not Specified,Unknown,,Unknown,Unknown
  +NLS1,Not Specified,Unknown,,,
  +NLS2,Not Specified,Unknown,,,
   NLSN,Forced Centering,Pillar,50232M001,Basalt,
   NMAI,Forced Centering,Deep Braced,,Limestone,
   NPLY,Forced Centering,Pillar,50227M001,Sandstone,
   NRRD,Forced Centering,Deep Braced,,Greywacke,Greywacke
  -NRSW,Forced Centering,Deep Braced,,Unknown,
  +NRSW,Forced Centering,Deep Braced,,,
   OHIN,Forced Centering,Deep Braced,,Sandstone,"Sandstone, Siltstone, Mudstone Sequence."
   OKOH,Forced Centering,Deep Braced,,Greywacke,
  -OPTK,Forced Centering,Deep Braced,,Unknown,Unknown
  +OPTK,Forced Centering,Deep Braced,,,
   OROA,Forced Centering,Deep Braced,,Sandstone,
   OTAK,Forced Centering,Deep Braced,,Greywacke,
   OUSD,Forced Centering,Mast,50212M001,Sandstone,
  
positive.code: KAIK,Forced Centering,Pillar,50231M001,Greywacke,
  KAPT,Forced Centering,Pillar,,Greywacke,
  KARA,Forced Centering,Pillar,,Schist,
  KAWK,Forced Centering,Deep Braced,,Unknown,
  KERE,Forced Centering,Deep Braced,,Greywacke,
  KOKO,Forced Centering,Pillar,,Limestone,
  KORO,Forced Centering,Deep Braced,,Sandstone,
  KTIA,Forced Centering,Deep Braced,50241M001,Sandstone,Drilled Into Silica Sand On Top Of Broad Hill.  Further Down The Hill Are Layered Sediments Including Very Hard Silica Concretions/Lenses.
  KUTA,Forced Centering,Deep Braced,,Sandstone,
  LDRZ,Forced Centering,Pillar,50256M001,Unknown,Unknown
  LEVN,Forced Centering,Deep Braced,,Sandstone,
  LEXA,Forced Centering,Pillar,50236M001,Schist,
  LEYL,Forced Centering,Deep Braced,,Sandstone,
  
negative.code: QUAR,Forced Centering,Pillar,,Sandstone,
  RAHI,Forced Centering,Deep Braced,,Limestone,
  RAKW,Forced Centering,Deep Braced,,Sandstone,
  RAUL,Forced Centering,Short Braced,,,
  RAUM,Forced Centering,Deep Braced,,Greywacke,
  RAWI,Forced Centering,Deep Braced,,Sandstone,On Ridge Line
  RCHD,Not Specified,Unknown,,,
  RDLV,Forced Centering,Deep Braced,,,Quaternary Fluvial Gravels Terrace Or Anticline
  RGAR,Forced Centering,Deep Braced,,Ignimbrite,
  RGAW,Forced Centering,Deep Braced,,Ignimbrite,Near Broad Ridgeline Next To Stand Of Bushes
  RGCR,Forced Centering,Deep Braced,,Rhyolite,
  RGHD,Forced Centering,Short Braced,,,
  RGHL,Forced Centering,Deep Braced,,Ignimbrite,Site Built On A Ridge Line That Is Adjacent To A Fult Scarp.
  RGHR,Forced Centering,Deep Braced,,Ignimbrite,
  RGKA,Forced Centering,Deep Braced,,Ignimbrite,
  RGKW,Forced Centering,Deep Braced,,,
  RGLI,Forced Centering,Pillar,,Rhyolite,
  RGMK,Forced Centering,Pillar,,Rhyolite,
  RGMT,Forced Centering,Deep Braced,,Ignimbrite,
  