Completed (12)

  1. Alberta-Montana
  1. Maine-New Brunswick
  1. Maine-Quebec
  1. Manitoba-Minnesota
  1. Manitoba-North Dakota
  1. Michigan-Ontario
  1. Montana-Saskatchewan
  1. New Hampshire-Quebec
  1. New York-Ontario
  1. New York-Quebec
  1. North Dakota-Saskatchewan
  1. Quebec-Vermont

Remaining (5)

  1. Alaska-British Columbia
  1. British Columbia-Idaho
  1. British Columbia-Montana
  1. British Columbia-Washington
  1. Minnesota-Ontario
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