Historical clue formulations

• Impasse — 2024-09-07
• Impasse — 2016-10-07
• Negotiator's challenge — 2015-07-11
• Impasse — 2015-06-16
• Legislative holdup — 2012-09-09
• Lumbering problem — 2004-07-29
• River blockage — 2004-05-18