This is an on and off trail relo.
This was an on and off and then on again summit for the AT.
See the map Whitecap Mtn 1:24000 scale (1959, but 1968 edition):
the 1935 map shows the northern route:
But today (map 2022), Mt Rogers returns to the AT via a side trail. I wonder why?
While the Mt Rogers National Recreation Area printed this badboy:
And just found this third map shows the AT on Mt. Rogers and gives a written description. Also see my relo notes west of the summit.