anchor.diff:  ,SuperQuad,trail,open,false,true,,Bridle Chain,more_difficult,false,false,grooming
   ,Whiffletree,trail,closed,false,false,,Broccoli Garden Glade,most_difficult,false,false,closed
   ,Snowfields™ Summit,trail,closed,false,false,,Bubblecuffer Ext,extremely_difficult,false,false,closed
  -,West Mountain,trail,open,false,true,,Bucksaw X-Cut,easier,false,false,grooming
  +,West Mountain,trail,open,false,false,,Bucksaw X-Cut,easier,false,false,open
   ,Timberline,trail,closed,false,false,,Buckskin,more_difficult,false,false,closed
   ,Brackett Basin,trail,closed,,,,Can't Dog One,extremely_difficult,false,false,closed
   ,Brackett Basin,trail,closed,,,,Can't Dog Two,extremely_difficult,false,false,closed
  
positive.code: ,Skyline,trail,open,false,true,,Sluice,more_difficult,false,false,grooming
  ,Skyline,trail,open,false,true,,Sluice Chute,most_difficult,false,false,grooming
  ,Skyline,trail,closed,false,true,,Sluice Headwall,most_difficult,false,false,grooming
  ,Base Area,trail,closed,true,false,,Snowbrook,easier,false,false,closed
  ,Sugarloaf Outdoor Center,trail,closed,,false,,Snowbrook Trail,more_difficult,false,false,closed
  ,Sugarloaf Outdoor Center,trail,closed,,false,,South Horn,most_difficult,false,false,closed
  ,Skyline,trail,closed,false,false,,Spillway X-Cut,most_difficult,false,false,closed
  
negative.code: ,Whiffletree,trail,closed,false,false,,Upper Springboard,more_difficult,false,false,closed
  ,Whiffletree,trail,closed,false,false,,Upper Stubs,easier,false,false,closed
  ,Timberline,trail,closed,false,false,,Upper Timberline,easier,false,false,closed
  ,West Mountain,trail,closed,false,false,,Upper West Mountain,easier,false,false,closed
  ,Whiffletree,trail,closed,false,false,,Upper Whiffletree,more_difficult,false,false,closed
  ,West Mountain,trail,closed,true,false,,Upper Windrow,more_difficult,false,false,closed
  ,Skyline,trail,closed,false,false,,Upper Winters Way,extremely_difficult,false,false,closed
  