Historical clue formulations

• Blights — 2022-01-09
• Concerns for homeowner associations — 2021-06-04
• Urban renewal targets — 2015-07-15
• Dumps — 2014-06-14
• Dumps — 2006-08-13
• Blots — 2003-06-20
• Trash heaps, e.g. — 2003-03-14
• They're not pretty — 2003-03-09
• Dumps — 1997-10-05
• Trash bins, graffiti, etc. — 1997-02-13
• Blemishes — 1996-01-26