anchor.diff:  KAIK,Forced Centering,Pillar,50231M001,Greywacke,
   KAPT,Forced Centering,Pillar,,Greywacke,
   KARA,Forced Centering,Pillar,,Schist,
  -KAWK,Forced Centering,Deep Braced,,Unknown,
  +KAWK,Forced Centering,Deep Braced,,,
   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
  +LDRZ,Forced Centering,Pillar,50256M001,,
   LEVN,Forced Centering,Deep Braced,,Sandstone,
   LEXA,Forced Centering,Pillar,50236M001,Schist,
   LEYL,Forced Centering,Deep Braced,,Sandstone,
  
positive.code: MAHA,Forced Centering,Deep Braced,,Schist,
  MAHI,Forced Centering,Deep Braced,,Limestone,
  MAHO,Forced Centering,Pillar,50229M001,Limestone,
  MAKO,Forced Centering,Deep Braced,,Unknown,
  MANG,Forced Centering,Pillar,,Greywacke,
  MAST,Forced Centering,Pillar,50220M001,Sandstone,
  MATW,Forced Centering,Pillar,,Sandstone,
  MAUI,Not Specified,Unknown,,Unknown,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,
  MQZG,Forced Centering,Pillar,50214M001,Rhyolite,
  MRBL,Forced Centering,Deep Braced,,Unknown,Unknown
  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
  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
  NIUM,Forced Centering,Short Braced,50210M001,Limestone,
  NLS1,Not Specified,Unknown,,Unknown,Unknown
  NLS2,Not Specified,Unknown,,Unknown,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,
  OHIN,Forced Centering,Deep Braced,,Sandstone,"Sandstone, Siltstone, Mudstone Sequence."
  OKOH,Forced Centering,Deep Braced,,Greywacke,
  OPTK,Forced Centering,Deep Braced,,Unknown,Unknown
  OROA,Forced Centering,Deep Braced,,Sandstone,
  OTAK,Forced Centering,Deep Braced,,Greywacke,
  OUSD,Forced Centering,Mast,50212M001,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,
  