Historical clue formulations

• River through the Carolinas — 2021-03-26
• River from the Appalachians — 2018-09-22
• Alphabetically rhyming river name — 2017-03-31
• Southern river to Winyah Bay — 2015-03-07
• The Carolinas' ___ River — 2013-12-01
• Dammed river in North Carolina — 2011-04-10
• River with its source in the Appalachians — 2010-04-21
• River with an alphabetical-sounding name — 2009-01-10
• Carolina river — 2002-11-24
• Carolina river — 1997-01-07
• Carolina river — 1996-05-21