Historical clue formulations

• Burlap fiber — 2015-01-14
• Coffee sack material — 2014-11-27
• Rope fiber — 2010-06-22
• Cordage material — 2008-02-23
• Rope fiber — 2005-10-19
• Coarse fiber — 2005-02-14
• Gunnysack fiber — 2003-10-15
• Burlap fiber — 2000-12-22
• Saxon contemporary — 1995-11-11