anchor.diff:  ,Maryland,MD,Williston,,38.830321,-75.851454
   ,Maryland,MD,Wilson-Conococheague,,39.651247,-77.827072
   ,Maryland,MD,Woodland,,39.608147,-78.949806
  -,Maryland,MD,Woodlawn,21207,38.950327,-76.900261
   ,Maryland,MD,Woodlawn,21207,38.950327,-76.900261
   ,Maryland,MD,Woodmore,,38.923412,-76.777931
   ,Maryland,MD,Worton,21678,39.270657,-76.091824
  
positive.code: ,California,CA,"Fort Dick",95538,41.869526,-124.167206
  ,California,CA,"Fort Irwin",92310,35.247701,-116.683411
  ,California,CA,"Fort Washington",,36.879298,-119.761256
  ,California,CA,Franklin,,38.367521,-121.461629
  ,California,CA,Franklin,,38.367521,-121.461629
  ,California,CA,"Frazier Park",93222,34.814193,-118.954961
  ,California,CA,Freedom,95019,36.940245,-121.795245
  
negative.code: ,Ohio,OH,"New California",,40.146587,-83.23666
  ,Ohio,OH,"New Hampshire",45870,40.553968,-83.953184
  ,Ohio,OH,"New Haven",44850,39.280001,-84.746667
  ,Ohio,OH,"New Marshfield",45766,39.324506,-82.21705
  ,Ohio,OH,"New Pittsburg",,40.846668,-82.095172
  ,Ohio,OH,Northbrook,,39.246685,-84.579624
  