You are reading it correctly but Virginia was seceded from the US at the time and WV broke away to rejoin the US, thus, most are looking at the WV / VA situation wrongly: it is not the same as New California trying to breakaway from a California that is still a part of the US
You are reading it correctly but Virginia was seceded from the US at the time and WV broke away to rejoin the US, thus, most are looking at the WV / VA situation wrongly: it is not the same as New California trying to breakaway from a California that is still a part of the US
Here is the case that settled the question over the constitutionality of WV's creation
https://en.m.wikipedia.org/wiki/Virginia_v._West_Virginia