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North American English Dialects, Based on Pronunciation Patterns
(files.catbox.moe)
For the map enthused!
Rules:
post relevant content: interesting, informative, and/or pretty maps
be nice
Cool map! Do you have a source? Curious if they've done other countries.
Here you go, I'll add this to the OP too https://aschmann.net/AmEng/#Au_Washington_State