Glade Violet(Viola egglestonii)

Glade Violet(Viola egglestonii)
If my identification is wrong, please correct me.
After looking at flowers until my eyes got sore, this is my best guess as to what these are.
The blooms are smaller than tiny.
They say they thrive in Cedar Glades; I don't know about any glades, but these are near the edge of a big Cedar Thicket.
I read that they are on the endangered list and sightings are being monitored; they've always been thick as hair around here; but then, so are Cedars.
Saturday_02-April-2022

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They are thriving in the Creosote laden soil where that seven-by-nine crosstie post has leeched into the ground for some thirty years.
That tie is old enough to be the real deal Creosote, the kind that will turn your wrists and forearms red-raw if they touch it, and not this watered down stuff that causes cancer and pollutes wells and creeks.