Historical clue formulations

• Oodles — 2026-04-02
• A host — 2021-07-14
• Big piles — 2019-01-21
• Stacks — 2019-01-03
• Compost units — 2010-04-25
• Piles — 2003-09-22
• Oodles — 2002-08-11
• Inferior cars — 1995-11-10
• A lot — 1995-10-15
• Piles — 1994-10-25
• Mounds — 1993-11-29