Historical clue formulations

• Material for a lighter wheel — 2022-07-30
• City NNW of Detroit — 2021-02-08
• Lighter igniter — 2018-07-08
• City NW of Detroit — 2018-02-19
• Camper's tool — 2017-02-22
• Fire-starting aid — 2014-03-12
• Rock used to make sparks — 2013-01-01
• Spark producer — 2012-02-15
• Fire starter — 1996-02-25