Historical clue formulations

• City and its surroundings — 2026-04-20
• Region encompassing a city and its suburbs — 2022-08-22
• Extent of a commuter rail system, perhaps — 2022-05-14
• Population calculation scope — 2022-02-12
• City plus suburbs — 2015-03-17
• The city and beyond — 2006-08-23
• Local forecast focus — 2001-01-28