Historical clue formulations

• Houston and New Orleans — 2025-10-24
• Long Beach, Charleston and Baltimore — 2025-06-03
• Cities with wharves — 2023-10-24
• Boston and San Francisco, but not Denver — 2022-09-30
• Things on the back of a computer — 2019-06-21
• Strong wines — 2018-05-01
• Places with wharves — 2015-02-02
• Modern connection points — 2015-01-02
• - — 2013-06-16
• *Cruise stops — 2013-06-16
• Dessert wines — 2012-09-09
• Destinations for some wires — 2011-07-16
• Wires may connect to them — 2011-07-10
• Baltimore and Philadelphia — 2011-07-03
• New York and New Orleans — 2011-04-20
• Places to plug in peripherals — 2010-11-14
• Cities with wharves — 2008-09-15
• They're left at sea — 2003-07-25
• New York and Los Angeles, e.g. — 1999-05-21
• Ship refueling places — 1999-02-17
• They receive many calls — 1995-07-30