Historical clue formulations

• Alternatives to Budgets — 2023-08-12
• Los ___ National Laboratory — 2017-01-03
• Los ___, N.M. — 2015-10-19
• Cottonwoods — 2013-11-28
• Los ___ (Manhattan Project lab site) — 2011-05-17
• Poplar trees — 2011-02-12
• Los ___ — 2008-08-10
• Cottonwoods — 2006-07-12
• Los ___ (nuclear site) — 2003-08-31
• Los ___ — 2003-01-02
• Poplars, in the Southwest — 2002-07-13
• Cottonwood trees — 2000-06-18
• Poplars — 1999-05-09
• Cottonwood trees — 1997-12-04
• Los___, N.M. — 1996-03-06
• Los ____ — 1995-08-17
• Cottonwoods — 1994-01-03