anchor.diff:  DNVK,Forced Centering,Pillar,50224M001,Greywacke,
   DUND,Forced Centering,Short Braced,50212M003,Basalt,
   DUNT,Forced Centering,Mast,50212S001,Basalt,
  -DURV,Forced Centering,Pillar,,Unknown,"Mapped As Ymm, Permian Serpentinite, Dunite, Peridotite."
  -E13_,Not Specified,Unknown,,Unknown,Unknown
  -E18_,Not Specified,Unknown,,Unknown,Unknown
  -E20_,Not Specified,Unknown,,Unknown,Unknown
  -E2__,Not Specified,Unknown,,Unknown,Unknown
  -E37_,Not Specified,Unknown,,Unknown,Unknown
  -FALE,Forced Centering,Pillar,50601S001,Unknown,Unknown
  +DURV,Forced Centering,Pillar,,,"Mapped As Ymm, Permian Serpentinite, Dunite, Peridotite."
  +E13_,Not Specified,Unknown,,,
  +E18_,Not Specified,Unknown,,,
  +E20_,Not Specified,Unknown,,,
  +E2__,Not Specified,Unknown,,,
  +E37_,Not Specified,Unknown,,,
  +FALE,Forced Centering,Pillar,50601S001,,
   FRTN,Forced Centering,Deep Braced,,Sandstone,
  -GEON,Forced Centering,Mast,,Unknown,Unknown
  +GEON,Forced Centering,Mast,,,
   GISB,Forced Centering,Pillar,50223M001,Sandstone,
   GLDB,Forced Centering,Pillar,50230M001,Schist,
   GNBK,Forced Centering,Deep Braced,,Sandstone,"Mapped As Qt, Quaternary Marine Deposits On Coastal Benches.  Forms Flat Terrace Tops Which Are Incised By Waterways."
  -GRAC,Forced Centering,Unknown,,Unknown,Unknown
  +GRAC,Forced Centering,Unknown,,,
   GRNG,Forced Centering,Deep Braced,,Sandstone,
  -GUNR,Forced Centering,Short Braced,,Unknown,Unknown
  +GUNR,Forced Centering,Short Braced,,,
   HAAS,Forced Centering,Pillar,50237M001,Schist,
   HAMT,Forced Centering,Pillar,50222M001,Sandstone,
   HANA,Forced Centering,Deep Braced,,Sandstone,
  -HANM,Forced Centering,Deep Braced,,Unknown,Unknown
  +HANM,Forced Centering,Deep Braced,,,
   HAST,Forced Centering,Pillar,50221M001,Sandstone,
   HIKB,Forced Centering,Pillar,50225M001,Sandstone,
   HOKI,Forced Centering,Pillar,50211M001,Sandstone,
  
positive.code: PARI,Forced Centering,Deep Braced,,Limestone,
  PARW,Forced Centering,Pillar,,Greywacke,
  PAWA,Forced Centering,Pillar,,Sandstone,
  PGKH,Forced Centering,Short Braced,,Unknown,Unknown
  PGNE,Forced Centering,Short Braced,,Unknown,Unknown
  PILK,Forced Centering,Pillar,,Schist,
  PKNO,Forced Centering,Deep Braced,,Sandstone,
  PNUI,Forced Centering,Deep Braced,,Greywacke,
  
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,
  