Here's another list that may be helpful... #USRegionalNews sources (random order) that I've come across. Feel free to suggest accounts to follow...
Regional US News
@TexasObserver
Founded in 1954, the #Texas Observer is a #progressive #nonprofit news outlet and print #magazine covering the Lone Star State.
@coloradosun
Telling stories that matter for a dynamic, evolving state. Independent, journalist-owned news covering the entire state of #Colorado.
@gbhnews
#GBH News is your home for news, distinctive storytelling, and what matters to you in Boston and beyond. #Boston, #Massachusetts, #USA
@BostonGlobe
#NewEngland's leading source for breaking news and analysis.
@sarahstierch Journalist. I write about weather, wildfires and other subjects relevant to #Mendocino County for the Mendocino Voice. I cover portions of #Sonoma, #Napa, and #Marin on social media. #California
@AK_OK
#Alaska statehouse reporter for the Alaska Beacon, formerly with the Anchorage Daily News, Juneau Empire, Kodiak Mirror and Fairbanks Daily News Miner.
@Chron
#Houston’s home for news, culture and conversation. Chron, a free digital news site, is Hearst owned and run independently from the Houston Chronicle.
@Toastie
#Indigenous affairs reporter, #HighCountryNews
#PacificNorthwest
@SFPublicPress
Noncommercial news and #investigative reporting for #SanFranciscoBay Area