anchor.diff:  Supermarket,building,retail
   Theater,building,cinema
   Three Units (Any Combination),building,apartments
  -Truck Crops,building,farm
  +Truck Crops,building,farm_auxiliary
   Utility,building,utility
  -Vineyard,building,farm
  +Vineyard,building,farm_auxiliary
   "Warehousing, Distribution, Storage",building,warehouse
  -Waste,building,farm
  +Waste,building,farm_auxiliary
   Water Recreation,,
   Water Rights,,
   Wholesale and Manufacturing Outlet,building,retail
positive.code: "College, University (Private)",building,college
  Commercial,building,commercial
  Dairy,building,farm_auxiliary
  Department Store,building,department_store
  Desert,building,farm
  "Double, Duplex, or Two Units",building,residential
  Dump Site,building,industrial
  Feed Lot,building,farm
  Field Crops,building,farm
  Five or More Units or Apartments (Any Combination),building,apartments
  Food Processing Plant,building,factory
  Four Units (Any Combination),building,apartments
  Fruits and Nuts,building,farm
  Golf Course,building,recreational
  Government Owned Property,,
  Heavy Manufacturing,building,industrial
  
negative.code: Open Storage,building,warehouse
  Parking Lot (Commercial Use Property),building,commercial
  Parking Lot (Industrial Use Property),building,industrial
  Pasture,building,farm_auxiliary
  Petroleum and Gas,building,industrial
  "Pipeline, Canal",building,industrial
  "Poultry, etc.",building,farm_auxiliary
  Privately Owned,,
  Professional Building,building,commercial
  Race Track,building,recreational
  