anchor.diff:  PAEK,50215M001,Forced Centering,Pillar,-1.315,Reinforced Concrete,2,2002-03-22T00:00:00Z,9999-01-01T00:00:00Z,Greywacke,
   PAKI,,Forced Centering,Wyatt/Agnew Drilled-Braced,-1.4,Stainless Steel Rods,10,2010-06-22T00:00:00Z,9999-01-01T00:00:00Z,Greywacke,
   PALI,,Forced Centering,Shallow Rod / Braced Antenna Mount,-1.48,Stainless Steel Rods,2.5,2007-02-12T00:00:00Z,9999-01-01T00:00:00Z,Greywacke,
  -PARI,,Forced Centering,Wyatt/Agnew Drilled-Braced,0,Stainless Steel Rods,10,2007-02-24T00:00:00Z,9999-01-01T00:00:00Z,Limestone,
  +PARI,,Forced Centering,Wyatt/Agnew Drilled-Braced,-1.54,Stainless Steel Rods,10,2007-02-24T00:00:00Z,9999-01-01T00:00:00Z,Limestone,
   PARW,,Forced Centering,Pillar,-1.32,Reinforced Concrete,2,2004-06-10T00:00:00Z,9999-01-01T00:00:00Z,Greywacke,
   PAWA,,Forced Centering,Pillar,-1.39,Reinforced Concrete,2,2005-01-01T00:00:00Z,9999-01-01T00:00:00Z,Sandstone,
   PGKH,,Forced Centering,Shallow Rod / Braced Antenna Mount,-1.22,Stainless Steel Rods,2.5,2014-05-08T00:00:00Z,9999-01-01T00:00:00Z,,
  
positive.code: Mark,Domes Number,Mark Type,Type,Ground Relationship,Foundation Type,Foundation Depth,Start Date,End Date,Bedrock,Geology
  2406,,Forced Centering,Pillar,-1.66,Reinforced Concrete,2,2012-01-31T00:00:00Z,9999-01-01T00:00:00Z,,
  AHTI,,Forced Centering,Wyatt/Agnew Drilled-Braced,0,Stainless Steel Rods,10,2009-01-01T00:00:00Z,9999-01-01T00:00:00Z,Sandstone,Site On Flat Linear Ridge Line With Steepening Slopes To The North And South.
  AKTO,,Forced Centering,Wyatt/Agnew Drilled-Braced,-1.5,Stainless Steel Rods,10,2006-04-27T00:00:00Z,9999-01-01T00:00:00Z,Sandstone,
  ANAU,,Forced Centering,Wyatt/Agnew Drilled-Braced,-1.42,Stainless Steel Rods,10,2010-06-01T00:00:00Z,9999-01-01T00:00:00Z,,Top Of Narrow Hill
  ARTA,,Forced Centering,Pillar,-1.017,Reinforced Concrete,2,2008-11-05T00:00:00Z,9999-01-01T00:00:00Z,,
  
negative.code: GUNR,,Forced Centering,Shallow Rod / Braced Antenna Mount,-1.195,Stainless Steel Rods,2.5,2010-01-27T00:00:00Z,9999-01-01T00:00:00Z,,
  HAAS,50237M001,Forced Centering,Pillar,-1.2,Reinforced Concrete,2,2004-06-22T00:00:00Z,9999-01-01T00:00:00Z,Schist,
  HAMT,50222M001,Forced Centering,Pillar,-1.38,Reinforced Concrete,2,2003-05-13T00:00:00Z,9999-01-01T00:00:00Z,Sandstone,
  HANA,,Forced Centering,Wyatt/Agnew Drilled-Braced,-1.57,Stainless Steel Rods,10,2007-02-26T00:00:00Z,9999-01-01T00:00:00Z,Sandstone,
  HANM,,Forced Centering,Wyatt/Agnew Drilled-Braced,-1.505,Stainless Steel Rods,10,2014-05-07T00:00:00Z,9999-01-01T00:00:00Z,,
  HAST,50221M001,Forced Centering,Pillar,-1.55,Reinforced Concrete,2,2002-09-19T00:00:00Z,9999-01-01T00:00:00Z,Sandstone,
  HIKB,50225M001,Forced Centering,Pillar,-1.2,Reinforced Concrete,2,2003-05-01T00:00:00Z,9999-01-01T00:00:00Z,Sandstone,
  